Kim is 4 years older than one third the age of her sister. Kim is at least 9 years old. How old could her sister be?

Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 600 and a standard deviation of 120. Use the 68 dash 95 dash 99.7 Rule to find the percentage of people taking the test who score between 240 and 960.

12z-7z-2=13 solve for z

Factor the trinomial below. x^2-2x-35 A. (x+5) (x+7) B. (x+5) (x-7) C. (x-5) (x-7) D. (x-5) (x+7)

A 5'6" person walking down the street notices his shadow. If the angle of elevation from the tip of their shadow to the sun is 60°, what is the distance from the tip of the shadow to the top of his head

How to write three to the fifth power as a product of exponent

Michale is traveling from San Francisco to Houston this morning. The flight will take 4 3/10 hours to complete. If the airplane travels 368.8 miles per hour, how many miles will the airplane travel? Explain

What is the correct first step to solving the equation x^2=10-3x

Y + 1 = - 7 (x+1) write an equation in slope intercept form

1+1+1+2+3+5+5+7+8+8+8+8+8+8+8+8+8•110

A cyclist rides her bike at a speed of 10 miles per hour. What is this speed in kilometers per hour? How many kilometers will the cyclist travel in 4 hours? In your computations, assume that 1 mile is equal to 1.6 kilometers.