13x + 6y = - 30

x - 2y = - 4

which ordered pair is the best estimate for the solution to the system?

A. (-2.5, 0.25)

B. (-1.25, 1.75)

C. (0.75, - 3.25)

D. (-2.5, 0.75)

The sum of - 9m and - 10m is - 95

A student is asked to factor, if possible, the given expression. The student's response demonstrates which common misconception? Simplify: a2 + b2 Student's response: (a + b) (a - b)

On your next turn in the game, you are 8 spaces away from climbing a ladder, which will allow you to pass both Alex and Jeff. What is the probability of landing on the ladder if you roll 2 number cubes?

What's - 8+9w + (-23) ?

Estimate 148+71 by first rounding each number to the nearest ten

A student solved the problem below. Is the student's answer correct? $1.00 + $0.45 + $0.50 = $1.45 + $0.50 = $1.50 No, the student should have added $0.45 and $0.50 first. No, the student subtracted instead of added.

At a snack stand, drinks cost $1.50. Write the expression that could be used to find the total cost in dollars of d drinks?

What is 48% of 1000? Round to the nearest hundredth.

1/2x-3/2 what's the answer

A data set a has a mean of 7, a median 5, and a mode of 8. wich of the the numbers 7,5, and 8 must be in the data set?