Each of the 23 students in ms evans class raised $45 for the school by selling coupon books. how much money did the class raise?

State if the two triangles are congruent. if they are, state how you know?

Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?