Answer:
Step-by-step explanation:
the sum of 5x+20= 5(x+4)
and the opposite of 20 is negtive 20
X = 14
1/2 of 14 = 7
7 + 13 = 20
Answer:
0.0175
Step-by-step explanation:
there are 3600 seconds in every hour. to solve for miles/sec you must divide the 63 miles/hour by 3600, providing an answer of 0.0175 miles/second
Answer:
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Step-by-step explanation:
Answer:
28
Step-by-step explanation:
3(-2)(-4)+4=?
(-6)(-4)+4=?
24+4=-28