Find a ⋅ b. a = 4i - 4j, b = 4i + 5j

-4

-36

Solve 2 - x = - 7. O A. x=-9 O B. x = 5 O C. x = - 5 O D. x = 9

Integer addition and subtraction 3 + (-8) =

John won 62 pieces of gum playing hoops at the county fair. At school he gave four to every student in his math class. He only has 4 remaining. How many students are in his class

Two of the angles in a parallelogram measure 5x° and 7x°. what is the value of x?

Pam bake some cupcakes for her friends she baked 12 cupcakes each cupcake is 1/3 pound what is the weight of the cupcakes

A backpacking company requires each camper to bring a lantern to go on a trip. The company supplies 4 extra in case any lanterns get lost or broken. Write an equation if c represent the number of campers and l represent the total number of lanterns.

A random sample of 25 tablets of buffered aspirin contains, on average, 325.05 mg of aspirin per tablet, with a standard deviation of 0.5 mg. Find the 95% confidence interval for the mean content of this brand of buffered aspirin.

Three painters can paint three walls in three mins how many painters are needed to paint 27wall in 9 mins

in Oklahoma the states sales tax is 7%. if James purchases a lawn mower then how much will James pay in states sales tax

Joy' s fish tank holds 18 gallons of water. One gallon of water weighs 8.33 lb. What is the weight of the water if the tank if filled to the top?