When we add/subtract fractions, why do we need denominators?

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)

What is the value of 13 tens

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?