The temperature falls from 0 degrees to - 12 1/4 in 3 1/2 hours. Which expression finds the change in temperature per hour?

A. - 7/2 : 49/4

B. - 7/2 x 49/4

C. - 49/4 x 7/2

D. - 49/4 : 7/2

Mark runs back and forth on a football field for a total of 3000 yards. How many miles did Mark run to the nearest tenth of a mile?

Write the equation 10x+5y=5 in the slope intercept form. Then graph the line

1/4 to 1/2 percentage of change

Gears produced by a grinding process are categorized either as conforming (suitable for their intended purpose), downgraded (unsuitable for the intended purposed but suitable for another purpose), or scrap (not usable).

Which relation is a function? • A. (1,0). (3.0), (1, 1), (3, 1) (1, 3) o B. (1, 1), (2.2), (3, 3), (4, 4), (5,8) C. (2, 7). (6.5), (4,4), (3, 3), (2.1) O 6 D. (9. - 3). (9,3), (4, - 2). (4, 2). (0,0)

There is a geometric theorem that says if two lines are perpendicular to the same line, they are parallel to each other explain why this is true by writing & comparing equations

How do you graph (y=-1/2x-1) (y=-3x+4)

A motorboat travels 448 kilometers in 8 hours going upstream and 516 kilometers in 6 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?

Jack made 50% more smoothies than yesterday. If he made 30 smoothie today how many did he make yesterday?

Mr. Ramirez has enough money to fence one of his rose gardens, how many feet of fencing will he need if both gardens have the same perimeter