On Serena's 10th birthday her mother is 3 times as old. How old will Serena and her mother be when 0.5 times her mothers age will equal Serena's age?

What are the steps to 2 divided by 1054

Which is the equation of a line perpendicular to the line with the equation 3x+4y=7

1225 plants are to be planted in a garden in such a way that each row contains as many plants as the number of rows. Find the number of rows and the number of plants in each row.

Which of the following pairs is a solution to the following system of equations: - x + 3y = 9 2x + 5y = 4 A. ( - 15, - 2) B. ( - 15, 2) C. ( - 3, 2) (3, - 2) E. (15, 2)

What is the equation of a circle?

Amanda is 3 years older than Brantley and Carlos is twice as old as Amanda. The sum of their ages is 57. How old is Amanda?

You and a friend buy two fruit smoothies and leave a tip. You split the total and your half cokes to 3.60. What percent tip (in decimal form) did you and your friend leave if the fruit smoothies cost $3 each?

Terry deposit of $520 into your bank account that run simple interest each year after five years she had earned $156 in interest if no money was deposited into or withdrawn from the account what was the annual interest rate

Solve the system of equations by elimination. 2x-y+3z=-12x-y+3z=-1 x+2y-4z=-1x+2y-4z=-1 y-2z=0y-2z=0

Change 0.56 radians into degrees and minutes.