What is 5 2/9 plus 7 5/15

Simplify the expression. Write the answer using scientific notation. (4 x 10^13) ^-2 - 8 x 10^-26 6.25 x 10^-27 0.0625 x 10^-26 6.25 x 10^-28

Subtract. Put answer in standard form. (2x^4-x^2+5x-2) - (-x^4+3x^3+2x^2-1)

Charlemagne's column covers the first 12 miles in 4 hours. He then increased the speed by 2 miles per hour. If the total distance of the trip was 52 miles how long did it take to finish the trip

Two angles are supplementary. The measure of the first angle is 10 degrees more than three times the second angle. Find the measure of each angle

What is 3 and 8 tenths as a decimal

If you run a mile in 12 min how fast were you going

What a survey question that might gather the following information and one school there six sets of twins two sets of triplets and one set of quadruplets

The cunninghams are moving across the country. mr. cunningham leaves 33 hours before mrs. cunningham. if he averages 40mph40⁢mph and she averages 80mph80⁢mph, how long will it take mrs. cunningham to overtake mr. cunningham?

Whenever Sabrina visits the gym she lifts weights for 8 minutes and runs on the treadmill for 35 minutes. Write two equivalent expressions and find the total minutes that Sabrina exercises for 5 days.

Y varies inversely as x. If y = 20 when x = 4, What is x when y = 30?