20/7 times 21/4 is 420/28, which is 15 simplified.
The area is 15 sq ft, or choice A
1.35 you first have to add like terms . 2.00 + 8.00 = 10.00 . Then 7.50x + 6.00x = 13.50x. Divide each side by 13.50x . 13.50x/13.50x = x and 10.00/13.50x=1.35 so x = 1.35
55°
Step-by-step explanation:
110+15+x =180
x = 180 - 125
x = 55°
93×10^6 = 93000000
It is equal to 93 million (with exactly 6 zeroes).
Answer:
113
Step-by-step explanation:
$84.75. divide that by $0.75