Solve for the variable.
3x = -7
a. -4
b. -2.3
c. 2.3
d. 4

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Simplify the expression 10/11(22z) + (a+5) -1

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?