The values of the number is 43
x+21=64
subtract 21 on each side
x = 43
Answer:
True
Step-by-step explanation:
Two angles form a pair of complementary angles
Answer:(-1,3)
Step-by-step explanation:
Answer:
10c ≥ 150
At least 15 cars (or c ≥ 15)
Step-by-step explanation:
If she gets $10 for every car she washes a car then 10c is the rate of her gaining money and she needs at least (greater than or equal to) $150.
This equation can be used to express the situation:
10c ≥ 150
<em>To solve you divide the 10 from both sides of the inequality to get.</em>
c ≥ 15