Evaluation Expressions

Evaluate.  Let x = 3, y = 1/4 and z = 24

• 17

• 30

• 13

• 12

Evaluate s - 10 when s = 21

• 31

• 9

• 10

• 11

Evaluate x + y for x = 5 and y = 6

• 30

• 1

• 11

Evaluate 30 - y for y = 2

• 32

• 28

• 15

Isla, Abigail, and Rohan are playing a game of 'Math Detective'. Isla found a mysterious note with an equation, y = 4x - 5, and a clue that x = -2. Can you help them solve the mystery and find the value of y?

• 3

• -13

• -3

• -2

Evaluate the Expression 3 + (a-7), a=12

• 6

• 7

• 9

• 8

Evaluate 12 ÷ a + 8

when a = 4

• 1

• 11

• 12

• 2

Evaluate p² , p= 4

• 8

• 6

• 16