Of the 15-year-olds at a karate school, 7 have black belts and 10 have brown belts. Among the 16-year-olds, 10 have black belts and 19 have brown belts. Which age group has a lower ratio of black belts to brown belts?

Raven is reading at half past 7. Her dad sets a timer for 45 minutes so she knows when she needs to go to bed. What time does she go to bed?

Last week Max completed 3 phases of Air Traveler and 5 phases of sports player. Write and evaluate an expression to find the total number of levels he completed

What is the standard form of y = (4x-2x^2) (4x-3) - (x 2) ^3?

Josh allowance is m cents per week. Represent the number of dollars he gets in a year. a) 3m/25 b) 1200m c) 13m/25 d) 25m/13

Kendall works as a salesperson and earns a base salary of $82 per week plus a commission of 20% of all her sales. If Kendall had $85 in weekly sales, how much did she make?

The sum of three consecutive integers is 81. What is the largest integer? A. 28 B. 27 C. 26 D. 25

Three friends decide that they each want to be able to buy a new bike in four years. Iliana puts $500 in a savings account with a simple interest rate of 4%. Joann invests $515 in a standard savers account with a simple interest rate of 3%.

Solve the formula for the variable h. V = Bh/3 a. h = 3v/3 b. h = V / 3B c. h = 3V + B d. h = 3V - B

Convert 3/4 into a quotient and percentage

Simplify the expression 3 (-3y+2x) combine like terms a+3a-b+4b+c