When should you use graphing to solve a system?

A soccer ball is kicked into the air. Its height above the ground can be approximated by using the equation h = - 3t2 + 15t, where h is the height above the ground in meters and t is the time in seconds.

What algebraic expression must be subtracted from the sum of y2 + 5y - 1 and 3y2-2y + 4 to give 2y2 + 7y-2 as the result

A maths teacher bought 40 calculators at $8.20 each and a number of other calculators costing $2.95 each. In all she spent$387. How many of the cheaper calculators did she buy?

Simplify (1/2k) (4k) + 12 2k 2 + 12 14k 2 2k + 12 14k

Add (6f2+3f+9) + (5f2+1)

Ryan has a checking account balance of - $25. Write an absolute value statement to show how much money Ryan owes the bank.

Two friends shop for fresh fruit. jackson buys a watermelon for $7.65 and 5 pounds of cherries. tim buys a pineapple for $2.45 and 4 pounds of cherries. use the variable p to represent the price, in dollars, per pound of cherries.

John refills each machine. He puts 3/4 to machine A, B, C. The three machines took 18,324 tokens. How many tokens did each machine take

A college student receives an interest-free loan of $9,400 from a relative. The student will repay $200 per month until the loan is paid off. (a) Express the amount P (in dollars) remaining to be paid in terms of time t (in months).

A tile floor is made of square tiles. Each tile is 1.5 feet on each side. If the floor has 54 blocks in it what is the total area of the floor?