Find the vertex of f (r) = - (r-12) (r+3)

Silvia wants to buy a car that costs $9,768.00. She deposits $6,600.00 into a savings account that pays simple interest at a rate of 8%. How long must Silvia leave the money in the savings account to be able to buy the car?

Shannon orders 25,846 pounds of gravel for her driveway. What is this amount rounded to the nearest hundred pounds?

Line M is represented by the following equation x - y = 8 which equation completes the system that is Satisfied by the solution (18,10

Factor by grouping: 3x^3 - 4x^2 + 15x - 20

Write8times1 plus 5times 1/100plus 9timesplus 9times 1/1000

Can 4x+9x+5 be simplified

Round off 0.043 to one significant figure

There are fifty people in line for tickets to the Royal Rumble. Each time a fan buys a ticket, you skip two places in line. How many fans will buy tickets before you do?

What is 1/3 plus 1/3

How to know if something is a right triangle with slope formula?