2 (5b-7) = -84

what is b? and how do I get the answer?

Which statement is true about the polynomial 3j^4k-2jk^3+jk^3 after it's been fully simplified

a trapezoide has an area of 150 square meters. If the bases are 14 meters and 16 meters, what is the height of the trapezoid

3 (m + 5 + 9m) Part A: Write two expressions that are equivalent to the given expression.

What is the margin of error? Will measured the diameter of a penny as 1.9 cm using the ruler. 1.9 cm 1.5 cm to 2.0 cm 1.5 cm to 2.5 cm 1.85 cm to 1.95 cm 1.90 cm to 1.95 cm @ 2 3 4 Note: Ruler is not drawn to scale,

A circle has a diameter of 16 meters. What is the area of the circle?

If you roll a single fair die and count the number of dots on top, what is the probability of getting an even number or a 5 on a single throw?

Each chicken eats about 6 pounds of chicken feed in a month. how many pounds of chicken feed will be left after 3 months? Write and explain equations to show the steps in your solution. 300 pounds of chicken feed for 16 chickens

It takes 40 minutes to fill a water tank, and 60 minutes to drain it. How many hours will it take to fill the tank while draining it the entire time?

Tanya stores her coins in a cylindrical container. The container has a diameter of 8 inches and a height of 15 inches. Which is the volume of Tanya's container to the nearest cubic inch?

Scarlett selects a card at random from a deck that contains 18 red, 12 yellow, and 20 blue cards. What is the probability that she does not select a red card?