Find the first four terms of the recursive sequence: a1 = 8 and an = an-1+n.

Jacob drew the similar triangles below to represent the sides of two bicycle stunt ramps. The area of the smaller triangle is 36 square inches. What is the area in square inches of the larger triangle?

You are arranging 7 books in a row on a shelf. one of the books is a dictionary and must go in the middle. how many ways can the books be arranged?

What is the value of - 3|15-s|+2s^3 when s=-3

A cerise box has a height of 32 centimeters. It has a base with an area of 160 square centimeters. What is the volume, in cubic centimeters, of the cereal box?

You spin the spinner and flip a coin. Find the probability of the compound event. A spinner is divided into 5 equal regions. The sections are labeled 1, 2, 3, 4, and 5. The probability of spinning a number less than 3 and flipping tails is

Check my work (apparently I did something wrong): (-2+3) ²+5 (-2²+3²) + 5 (4+9) + 5 13+5 =18 (0+3) ²+5 (0²+3²) + 5 (0+9) + 5 9+5 =14

What is 25/8 as a percent Show your work

Suppose that 50% of all college students smoke cigarettes. a sample of 14 is selected randomly. what is the probability that less than 13 students smoke?

Which inequality models this situation? The distance to the lake is greater than 5.5 km. A. d > 6 B. d < 5.5 C. d > 5.5 D. d < 6

A plane flew 193 km in 12 minutes. At a constant speed what was the speed of the air plane at km per hour?