70a + 55b = 905
a + b = 14
55a + 55b = 770
(70a-55a) + (55b-55b) = 905 - 770
15a = 135
a = 9
a + b = 14
9 + b = 14
b = 5
Answer:
slope = .09
Step-by-step explanation:
slope = change in y/ change in x
4.5 ft/ 50 ft
.09
Answer:
the answer is 29
Step-by-step explanation:
Answer:
√22
Step-by-step explanation:
Answer:
$1.63 per pound
Step-by-step explanation:
$4.89/3=$1.63
