Chris baked 95 cookies.
Step-by-step explanation:
Given,
Cookies baked by Haley = 50
Cookies baked by Chuck = 65
Cookies baked by Dana = 90
Average of them = 75
Let,
Cookies baked by Chris = x
Average = 

Multiplying both sides by 4

Chris baked 95 cookies.
Keywords: addition, average
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18 - 20 is an equation that'll go into integers as your answer. If you subtract 20 - 18 the answer is 2. It's basically the same equation except you're going into negative numbers. 18 - 20 = -2
Object A. You can use the area theorem to solve. Just do base x height to get the area of a shape.
Answer:
Step-by-step explanation:
9x - 1 / 2 + 9/2 x = 0.128886 (43)
2 / 5x - 1b = 4/3 - 1 - 1 = 2x (4)
= x1 + 24 - 3/4 + 8
9/3 - 1 x = /3