Simplify the algebraic expression. -7(2r + 6) + 4(6r + 5)
Group of answer choices

10r + 6

-5r - 1

10r - 22

-56r
If you can show steps, it'd greatly help my understanding!

If you answer 2+2 you will get over 80 points

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered