Answer:
a² + b² + a - b
Step-by-step explanation:
brackets mean multiplying everything by each individual
a² + ba + a - ba - b² - b
simplify buy collecting like terms:
highest values first and +ba mad -ba cancel out
a² + b² + a - b
Answer:
Step-by-step explanation:
parrelograpm (b*H)
40cm^2
Area of semi circle 1/2(pi)r^2
1/2(pi)(5)^2
39.26990
total?
40+39.26990=79.26990
<span>Sarah and Lisa would spend an equal amount per month
then
</span>x + 10 = <span>2x + 5
x = 5
if x = 5 then y = 15
answer
</span><span>Sarah and Lisa would spend an equal amount $15 per month and download 5 movies</span>
45.5X-5
Step-by-step explanation:
you simply add the 2 "x" digits together, in this case 2.5x and 43x. 43+2.5=45.5X. then subtract the five, but since they are not alike (or it doesnt have an c) you domt subtract from the 43.