A and B are mutually exclusive events. P(A) = 0.20 and P(B) = 0.70. What is P(A or B)? A. 0.90
B. 0.50
C. 0.14
D. 0.28​

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?