Answer:

or

Step-by-step explanation:
If Alexa worked 30 hours last week and earned $450, then her hourly payment is

Her payment has now been increased by 20%, so her hourly payment becomes

If she worked h hours, then she earned
If her new payment is p, then

or

Answer:
21.9
Step-by-step explanation:
circumference = pi x diameter
3.14 x 7 = 21.9
Answer:

Step-by-step explanation:
Given,
Side of the square

Therefore, area of the square = side × side



Answer:
The correct answer is C
Step-by-step explanation:
Answer:
Radiant energy is the energy of electromagnetic waves.
Step-by-step explanation:
I