Answer:
45
Step-by-step explanation:
Answer:
27
Step-by-step explanation:
Remember to follow PEMDAS. Note that, when multiplying or dividing:
1) one positive and one negative = negative number
2) two positive = positive number
3) two negative = positive number
(-7)(-5) = -7 * -5 = 35
+(-8) = +1 * -8 = -8
Subtract:
35 - 8 = 27
27 is your answer.
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The length would be 9.
Area of a square is side^2, so to solve for side, take the square root of 81
Answer:
Two times the difference of x and seven plus ten
Step-by-step explanation:
always true
so 
is never true