Simple Solutions Quiz #21 Lessons 81-84

What is the area of a triangle whose base is 10 feet and height is 5 feet?  $A\ =\frac{1}{2}bh$  

•  $20ft^2$  

•  $50\ ft^2$  

•  $15\ ft^2$  

•  $25\ ft^2$  

Which expression is equivalent to 18s + 9t + 36?

• 9s(2s + 9t + 4s)

• 6(3s + 9t + 6)

• 9(2s + 1t + 4)

18.3 + 29.69 = ?

• 47.99

• 50.72

• 49.72

Simplify

6(b + 10)

• 6b + 60

• 6b + 10

• 6b + 16

Which two integers are opposites?

2

7

-8

0

-4

-2

• 2, -2

• 7, -8

• None

• All of them

Find the LCM of 4 and 8

• 4

• 8

• 2

• 12

Find the area of the hexagon

• $60\ cm^2$

• $120\ cm^2$

 $1\frac{1}{2}\times2\ \frac{1}{2}\times\frac{1}{2}cm$  
A lime-flavored hard candy has these dimensions. What is the combined volume of two such lime candies?

V = L x W x H

•  $3\ \frac{3}{4}cm^3$  or  $3.75cm^3$  

•  $\ 4cm^3$  

•  $2\ \frac{3}{4}cm^3$  

Use the fraction model to find the quotient of
 $\frac{8}{9}\div\frac{1}{3}$  

•  $\frac{8}{27}$  

•  $\frac{24}{9\ }\ or\ 2\ \frac{2}{3}$  

Carol Ann buys a TV at 70% off the original price. If she pays $120, what was the original price of the TV?

• original price = $200

• original price = $50

• original price = $400

• original price = $84