How to simplify the the expression 6n^2-5n^2+7n^2

Write a variable expression for the amount of your budget after b books

A meatball recipe calls for 2 cups of breadcrumbs for every 5 cups of ground meat. How many cups of breadcrumbs are required for each cup of ground meat

Does 8 (3x + 4) = 24x + 4?

A car dealer sells a car for RS 23500 and makes a profit of RS 10500. At what price did he sell the car?

The time shown on the clock is 12:07. After 20 minutes have passed, will the angle formed by the hour and minute hands be acute, obtuse, right or straight?

The size, S, of a tumor (in cubic millimeters) is given by S=2^t, where t is the number of months since the tumor was discovered. Give units with your answers.

Write each interval as an inequality: (-1, 10] [-3, 3] (-infinity, 0] or (5, infinity) [3, infinity) (-infinity, 4) [25, 50)

A population of flies, P, over a given amount of time, x, is modeled by the expression P (1+r) ^x. Note: r represents percentage rate as a decimal What does each factor in the expression represent? Select each correct answer.

The elevators in the Empire State Building descend at a rate of about 7 meters per second. How far has the elevator descended after 10 seconds?

Tan154-tan49/1+tan154tan49 *all are in degrees. What does sin, cos, and tan equal?