Find the 19th term for the arithmetic sequence in which the 23rd term is 9 and the 11th term is -75 . A) -19
B) -27
C) 27
D) 19

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?