Harry had 15 marbles. For his birthday, his grandmother gave him m more marbles. Which expression shows the total number of marbles Harry has now?

What is the leading coefficient of the function f (x) = 3x5+6x4-x-3

Is 5.6792 a terminating decimals

He price of oranges went from $.90 per lb to $1.20 per lb in five years. Find the rate of change of the price of oranges. A) $0.30 per pound per year B) $0.06 per pound per year C) $0.24 per pound per year D) $0.18 per pound per year

Explain what role the negative sign plays in. - x^2=y

If a function, f (x) is shifted to the left four units, what will the transformed function look like?

An ecologist wishes to mark off a circular sampling region having radius 10 m. However, the radius of the resulting region is actually a random variable R with the following pdf.

John goes to therapy twice a week, four weeks monthly If the total expenditure per month for therapy is 5000$, what will be the expense per session of therapy?

What is the distributive property of - 3 (8-b)

Zhen is an audiobook narrator. The table gives some completed audio lengths and the amount of time Zhen spends researching, recording, and editing the audiobook. Completed (hours) _ Working time (hours) 1 _ 6 1/2 3 1/2 _ 22 3/4 7 _ 45 1/2 10 _ 65

Eight algebra questions (explanations would be appreciated): Use substitution to solve the following: 1) y=x² y=x+2 2) y=x²+3 y=4x 3) x²+4y=1 y=x+1 4) x²-3y=-2 y=4+x 5) x²-2y=-4 y=6-x 6) x²+4y=9 y=x-3 7) x²+5y=16 y+x=2 8) y=x²-6x 3x-y=-10