Answer:b 2(39) +2(75)
Step-by-step explanation:
Because there are four corners of a mattress your going to take the length and width of the mattress and multiply each time to then add them to get the exact size your needing
Answer: x = 
Step-by-step explanation:
Answer:
7. 4
8. 7
Step-by-step explanation:
7. 
Cross multiply


(division property of equality)


8. 
Cross multiply


(addition property of equality)

Divide both sides by 6


Both of the fractions can be added since they both have 8 as the denominator 3/8+5/8=8/8 which is a whole.
Answer:
25
Step-by-step explanation: