Okay the answer is 69 because 81-2 is 69
A is the best answer…
Work:
-10x-(-4y) will equal -10x+4y the minus minus will cancel out
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Answer: number of blue pen = 128
Number of pen in the box = 320
Step-by-step explanation:
Answer:
The answer is 8
Step-by-step explanation:
Plug -2 in for x. The double-negative inside the parenthesis makes it positive, then do the exponent.
Answer:
C
Step-by-step explanation:
The big triangle and small triangles are similar so their corresponding sides are in proportion.
x/15 = 15/9
x= 15*15/9
x=25