Which algebraic expression is equivalent to the expression below?

3(x - 5) + 11(x + 15)
A.
14x + 180
B.
33x + 150
C.
14x + 6
D.
14x + 150

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.