Is 3x + 12 + x and 4 (3 + x) equivalent. Why and Whynot?

If sin a = - 4/5 and cos a > 0, find tan a and sec a.

A-Plus Auto Body is painting flames on a customer's car. They need 2 1/2 pints of red, 3 pints of orange, 3/4 pint of yellow, and 7 pints of blue paint. They use 3/4 of the blue paint to make the flames.

The sum of three consecutive odd integers is - 315 find three integers

Evaluate 15+w for w=6

Maria can read 20 pages of economics in an hour. She can also read 50 pages of sociology in a hour. She ... ? Maria can read 20 pages of economics per hour. She can also read 50 pages of sociology in an hour. She spends 5 hours per day studying. a.

an 18 - foot ladder is keaning against the side of a building forming a right triangle. The angle formed by the ladder by the kadder snf to the ground is 60°.

What is the answer to k/7 + 3 - 2k = - 3

What is the answer for this problem?-4k+2 (5k-6) = - 3k-39

Nolan makes soup. He divides each batch equally into thirds to give away. Each family that he makes soup for gets 1 third of a batch. Nolan needs to make enough soup for 5 families. How much soup does Nolan give away?

Jonathan's new car cost $20,000. After a year, the value of the car is $17,000. If the car depreciates by a fixed factor every year, what will be the value of the car two years after its purchase?