X^2 - 13 x = -36
add 36 to both sides
x^2 - 13x +36 = 0
figure out the factor
(x-4)(x-9) = 0
so (x-4) or (x-9) equals 0
so solution is
x-4=0 add 4 to both sides and get x = 4
x-9=0 add 9 to both sides and get x=9
x={ 4, 9}
Answer:
x and y = 66.5
Step-by-step explanation:
180-47=133
133/2=66.5
Yearly salary would be 240,000 for 5,000 and 48,000 for 1,000 a week
A=lw. Is the answer. Hope it helps