b. For each interval, decide if the average rate of change is positive or negative. i. from 1930 to 1940 ii. from 1950 to 1970 iii. from 1930 to 1970

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°