Ling has m dolls. Alice has 3 times as many doll's as Long. Betty has 7 fewer doll's than Alice. How many dolls do they have in all. Give your answer in terms of m

7.49362 to the nearest no thousandth

A train and a bus leave at 10:00 AM from towns 45 miles apart, headed toward each other. The bus travels at 40 miles per hour while the train travels at 50 miles per hour. What time do they meet?

Find average rate of change for the function f (x) = 2x^2+1 from x=-3 to x=4

What number needs to be added to both sides of the equation to complete the square? x^2-7x=5

Jerry is a judge. He hears 55 cases every 2/dfrac382 8 3 hours. Jerry hears cases at a constant rate. How many cases does he hear per hour?

What are two different ways of factoring - 5x - 15? Select all that apply.

Graph the functions and approximate an x-value in which the exponential function exceeds the polynomial function. y = 4^x y = 7x^2 + 4x - 2 a. x=-1 b. x=0 c. x=.5 d. x=2

unit rate of 175 Calories in 12 ounces

What are the solutions to the following system? -2x+y=-5 y - -3x²+5 L

What is y - 5 (2 - y) = 8