Answer:
Step-by-step explanation:
Subtract P: A - P = (1/100) PRT
Multiply by 100: 100(A - P) = 100*(1/100) * PRT
Simplify 100(A - P) = PRT
Divide by PR 
X^2 -61 =20
X^2= 81x =9 x=-9
Answer:
8 + 5 = 13 apples
Step-by-step explanation:
The words "in all" mean addition. Therefore, 8 apples plus 5 apples equals 13 apples.
Area = 1/2 base multiplied by height. I don't think you have the right dimensions. :(