Find the exact value of cos (-7pi/4 radian).

3x - y = 8 how do I solve this linear equation?

Kareem has 216 role playing games cards. his goal is to collect all 15 set of cards. There are 72 cards in a set. How many more cards does kareem need to reach his goal

Your sale of salmon has increased 22% each year for the last three years. Assuming this trend holds and you purchased 2,946 salmon this year, how many will you need to purchase in three years?

5 quarters into pints

What are two equivalent equations for x (5x-6) + 13x-10

Which values from the given replacement set make up the solution set of the inequality? m+7 < 18; {8,9,10,11} A. {8,9} B. {10,11} C. {8,9,10} D. {9,10,11}

Which of the following relations represents a function? a. { (2, 3), (1, 3), (3, 3) } c. { (1, 3), (2, 3), (1, 4) } b. { (1, 3), (2, 3), (2, 4) } d. { (2, 2), (2, 3), (2, 1) }

What is the output, or dependent variable of quantity? 1: x 2:f (x) 3:y

The average of 4 numbers is 5. What is their sum? explain you answer

Calculate the inverse of the matrix and find the values for a, b, c, and d [4,12,1,10] A^1=[a/14, b/7, c/28, d/7]