How do you work this problem (21:7) * 4=

is this correct?

3*4=12

X + 5y - 10 = 0 x = 2y - 8

Lee saves $85.75. She uses $32.95 of the money to buy a baseball glove. She also wants to buy a camera that costs $58.99. How much more money does Lee need?

X+y=4 what does the y equal in this equation

On the day their child was born, her parents deposited $15,000 in a savings account that earns 10% interest annually. How much is in the account the day the child turns 16 years old (rounded to the nearest cent) ?

A cyclist sets off at 10.25 and cycles for one and three quarter hours he then rests for 35 minutes and returns home by a different route which takes 2 hours and 45 minutes what time does he arrive back?

What is the solution to 2.1m = 6.3? A. m = 8.4 B. m = 3 C. m = 3.2 D. m = 4.2

Select the two figures that are similar to the 9 by 6 figure that is shown.

What is the quadratic function that is created with roots at 2 and 4 and a vertex at (3, 1) ?

Four candidates are running for president of the student council. Three other candidates are running for vice-president. How many different ways can the two offices be filled? a. 6 different ways c. 12 different ways b. 10 different way d.

Abcd is a rectangle with b (-5, 0), c (7, 0) and d (7, 3). find the coordinatesof a.