2. what is the solution of the system?

7x+5y=19

-7x-2y=-16

A. (2,1)

B. (1,2)

C. (7,5)

D. (-7,-2)

One number is six times as large as a certain smaller number. Let x represent the smaller number. Write the larger number in terms of x.

A colony of 900,000 bacteria doubles in size every 85 hours. What will the population be 255 hours from now? bacteria

Suppose the measures of two angles of a triangle are 26° and 31°. Find the measure of the third angle and classify the triangle as acute, obtuse, or right.

The times a fire department takes to arrive at the scene of an emergency are normally distributed with a mean of 6 minutes and a standard deviation of 1 minute.

Which number sentence is true? A. 5.6 > |-8.9| B. |-5.6| < |-8.9| C. - 5.6 > |-8.9| D. |5.6| > |-8.9|

Which statement about the value of x is true?

How do you find the 19-4c=17

Compare the decimals using, or = 0.73 0.7300

A square floor has an area of 480 square feet. Kristin wants to put molding around the entire perimeter of the floor. Approximately how much molding does she need? A. 720 feet B. 120 feet C. 90 feet D. 88 feet

What is larger 7 or 24/4