Answer:
$12 the hour
Step-by-step explanation: $360 divided by 30 is 12, meaning he will need to make a minimum of 12 an hour to support his family.
Answer: $91
Step-by-step explanation:
If a set of 4 tires costs $364, 1 tire cost 364/4 = $91
Answer:
-9, 9
Step-by-step explanation:
a² − 8ab + 16b² = 81
(a - 4b)² = 81 Wrote the left-hand side as a square
a - 4b = ±9 Took the square root of each side
All values of a - 4b are -9 and +9.
Answer:
500/31.25=16
Step-by-step explanation:
The school bought 16 calculators
