Answer:
9 sq ft
Step-by-step explanation:
The perimeter:
40+35+16+16+125.7= 232.7 m
btw lowkey frustrating that they alternate between cm and m
It's A. If U=16, 6+10=16
and if you plug in the numbers for the second equation it's 36=2(10)+16
Step-by-step explanation:
i hope it helped you a lot. thankyou
85 x 3 = 255
first 2 test grades were 81 and 86:
81 + 86 = 167
Need to find the 3rd to have exact average 85:
255 - 167 = 88
So her 3rd test needs to make 88 to make average of 85
Double check: 81 + 86 + 88 = 255 = 85 + 85 + 85