Ill give medal and brainlist awnser to whoever in the 's heart beats 495 times in 6 minutes. at that rate, how many times would it beat in 20 minutes? a. 9900 b. 2970 c. 1650 d. 615

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4