The answer is 64
12/1.5 = 8
8 x 8 = 64
Answer and working out attached below. Hope this helps.
Answer:
10
Step-by-step explanation:
5/x = 4/8
Cross multiply
4*x = 5*8
4x = 40
x = 10
Answer is 10
You are correct
r^2+7=45-r
i think this is the write answer, i havent done that kind of math in awhile.
