4 is 2% of what number

4r+3=r+21 How do I do this?

Shawn has $12.00 The arcade has an admission fee of $3.00 and then charges $0.25 for each game. Select an inequality that represents the number of games (g) Shawn could play. (A.) 32 > 56g (B.) 3.00 + 0.25g ≤ 12.00 (C.) 12 < 123g (D.) 3+12g < 198

An adult takes 400mg of ibuprofen. Each hour, the amount of ibuprofen in the person's system decreases by 29%. If 100mg of ibuprofen is left, how much time has passed? Use A = Pert

Non example of division

Which expression is equivalent to 3 (8 + 7) ? 24 + 7 24 + 21 11 + 10 11 + 7

Find the slope of the line 4x-7y=28

Find the value of k for which the quadratic equation 2x^-kx+=0 have equal roots

Pamela drove her car 99 km and used 9 L of fuel. she wants to know how many kilometers if you can drive with 12 L of fuel. she assumes the relationship between kilometers and fuel is proportional.

Find two consexutive odd integers such that the sum of their square is 650

Joe bought a pair of basketball shoes for $49.99 and 2 packages of sport socks for $4.79 each. How much did he spend altogether?