Homework Review Quizizz 12/9-12/13

Mandy is walking in the woods. She completes 70% of her walk in 3.5 hours. She continues walking at the same rate. How much time, in hours, will Mandy's entire walk take?

• 5

• 6

A stone with a triangular face is used in a water fountain. Lennox made a scale drawing of the triangular face. He labels the vertices of his triangle as P, Q, and R. The sides of triangle PQR are described below:

• Side PQ is 12 inches long.

• Side QR is 25% longer than side PQ.

• Side PR is 2/3 the length of side QR.

Each inch of Lennox’s scale drawing represents 1/2 foot of the actual triangular face. What is the perimeter, in feet, of the actual triangular face of the stone?

A square pyramid is cut into two pieces with a single straight cut. The cut passes through the vertex of the pyramid and is perpendicular to the base. What shape is created by the cross section of the cut?

• an isosceles triangle

• a rectangle that is not a square

• a scalene right triangle

• a square

A rectangle is shown in the picture. Which term describes the relationship between angle 1 and angle 2?

• alternate exterior angles

• corresponding angles

• vertical angles

• alternate interior angles

A design for a Do-Not-Disturb sign is made up of a rectangle with a circle cut out. Paper is used to make the sign . Which measurement is closest to the area of the paper surface of the Do-Not-Disturb sign once the circle has been cut out?

• 121 cm sq.

• 122 cm sq.

• 129 cm sq.

• 136 cm sq.

Ben is making chocolate chip cookies with walnuts in them. The ratio of cups of chocolate chips to cups of walnuts is 4:3. To make his cookies, Ben uses 2.5 cups of chocolate chips. Which equation could be used to determine the number of cups of walnuts (x) that Ben needs?

Rahim measures the temperature of water as it is heated in a science experiment. He makes the graph below to show the relationship between the time (x), in minutes, and the increase in temperature (y), in degrees Fahrenheit. Which point on the graph represents the change in temperature in degrees Fahrenheit per minute, or the unit rate?

• P

• Q

• R

• S

Ms. Rodriguez buys markers for the students in her class. She buys 3 boxes of markers for every 5 students. She also buys 2 extra boxes of markers. She buys a total of 17 boxes of markers. How many students are in Ms. Rodriguez’s class?

• 9

• 27

• 25

• 30

Victoria makes a triangular shelf for her room. The shelf has side lengths of 9 inches, 12 inches, and 15 inches. The largest angle is 90°. Which description of the shape of the shelf is accurate?

• an acute equilateral triangle

• an acute scalene triangle

• a right isosceles triangle

• a right scalene triangle