Simplify the expression 6ab + 3ab - 7ab. What is the coefficient of the simplified expression?

A. a

B. ab

C. 2

D. b

What is the median of this set of data? 1, 2, 5, 6, 9 1 5 8 9

What is the quadratic regression equation for the data set? yˆ=-0.004x2+0.415x-0.546 yˆ=-0.004x2-0.415x-0.546 yˆ=0.004x2+0.415x+0.546 yˆ=-0.004x2-0.415x+0.546 x y 50 10 30 11 11 5 35 9 50 12 20 3 90 7

CDs and DVDs Solve by setting up a system of linear equations with 2 variables and 2 unknowns. CDs cost $5.96 more than DVDs at All Bets Are Off Electronics. How much would 6 CDs and 2 DVDs cost if 5 CDs and 2 DVDs cost $127.73?

Is 4.5 km less than greater than or equal to 5,000 m

Write f (x) = a (x-h) 2+k and identify the vertex f (x) = 2x2+4x-5 vertex: (,) ? 2x to the second power so 2x2 sorry

The equation y = 0.002x - 0.30 can be used to determine the approximate cost, y in dollars, of producing x items. How many items must be produced so the cost will be no more than $387?

Skinny Malone has a lot of pets he has 4 more goldfish than Turtles and one less Canary than goldfish six of his pets are birds. he has two parakeets. How many pets does skinny have?

Kathy had $45.67 in her checking account. She wrote a check for $65.23. What was her balance after the check was cashed? A. $110.90 B. $39.56 C. - $19.56 D. - $110.90

The sides of a triangle are 15, 20 and 25. Find the length of the shortest altitude

Divide M2 N3 / P3 by MP / N2. A. M3 / NP2 B. MN5 / P4 C. N3 / P4 D. MN / P2