Answer:
375 in² is the answer.
Step-by-step explanation:
Are of rectangle= area of 2 triangle
= 1/2*25*15+1/2*25*15
=187.5+187.5
=375 in²
Answer:

Step-by-step explanation:
Write a function whose k(x) values are 5 more than four times the principal square root of x.
So,
the principal square root of x 
four times the principal square root of x 
5 more than four times the principal square root of x 
Thus,

Answer:
5
Step-by-step explanation:
3+2x = 4x-7
3+7=4x-2x
x=5
Your answer is no solution (because a negative square root doesn't exist)
first, you divide all sides by five and then take b, half it then square it