Quiz: Math Minutes 19 - 21

 $4\cdot5-3\left(4\right)=$  

• 68

• 92

• 8

• 27

Evaluate the following if x = 3, y = 4, and z = 5.
 $6\left(x+y\right)$  

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 $-14-\left(2\right)\left(3\right)$  

• -20

• -42

• -8

• -19

 $If\ 2a+3<10,\ which\ of\ the\ following\ could\ be\ a\ value\ for\ a?$  

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• 2

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 $2\left(10-7\right)-4=9$  True or False?

• True

• False