Answer:
69
Step-by-step explanation:
55+85+58+77=275
275/4=68.75
Rounded=69
Answer:
y= -x-2
Step-by-step explanation:
y=ax+b
x= -2; y=0 => 0=-2a+b; b=2a
x= -1; y= -1 => -1=-a+b => b=a-1
2a=a-1=> a= -1; b= -2
=> y= -x-2
Answer:
He needs to sell 32 more cups of coffee to reach his goal.
Step-by-step explanation:
510-250=160
160/5=32
x = 32
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He had already sold 70 cups, so altogether, from the beginning, he would have had to sold 102 cups.
The formula for the volume of a prism is V=Bh , where B is the base area and h is the height. The base of the prism is a rectangle. The length of the rectangle is 9 cm and the width is 7 cm.

The left sides of the equations are the same and the right sides of the equations are different, therefore the system of equations is inconsistent.
Answer: B. inconsistent.