Consider the following matrix A, and let B = A-1. Find b31, b32, and b33. (i. e., find the entries in the third row of A-1.

A = 1 1 - 2

-9 - 1 0

-2 - 1 2

Cos x = 3/5 how do you solve this

Find the probability that a randomly-chosen ninth grader will be absent 2 days next month.

Consider the equation below. log4 (x+3) = log2 (2+x). Which system of equations can represent the equation?

Solve for c. (c+9) 2=64 A. - 55--√ and 55--√ B. - 17 and - 1 C. - 73--√ and 73--√ D. 1 and 17

What is the sum of the series? ∑ k=1 4 3 k 2

Jose invested $5000 into a fund with an interest rate of 4.8%. How much interest would he earn after 2 years? A) $240 B) $24,000 C) $480 D) $48,000

Six students from a statistics class reported the number of hours of television they watched per week. here are their dа ta: 8, 10, 5, 14, 3, 6. what is the mean number of hours of television watched per week for this sample of six students? a.

10. What's the area of the room in this diagram? 12 feet 13 feet

Mrs. Myles has 54 cookies to give to the 18 students in her class. Write a number sentence using the variable c to represent the number of cookies each student gets. A) 18 = 54c B) 54 * 18 = c C) 54 - 18 = c D) 54 : 18 = c

Crackers come in packages of 24. Cheese slices come in packages of 18. You want one cheese slice for each cracker. What is the least number of crackers and cheese Slices you can buy so that nothing is left over? (CC. O. NS. 4)