Which equation can be used to find how much of a 50 g sample of nitrogen-16 is left after 7 minutes?

During fall you decide to rake leaves and charged $12 for coming to a house and raking and then $9 for every hour you rake if you make $57 in each of three houses you went to in one day how many hours did you spend shoveling?

Convert the following improper fraction to a mixed number. 37 over 5

Which answers are examples of the Law of Detachment? Select each correct answer. If it is snowing, the play will be cancelled. It is snowing. Therefore, the play is cancelled. If two angles are linear pairs, the angles are supplementary.

The ratio of boys to gils in art class is 1:2 there a 12 girls in the class. how many boys are there

Ivan and Tanya share £150 in the ration 4 : 1 work out how much more Ivan gets compared to Tanya.

Adam drew two samw size rectangles and divide them into the same number of equal parts. He shaded 1/3 of one rectangle an 1/4 of the other rectangle. What is the west number of parts into which both rectángles could one divided

Two trains start heading toward each other from two cities, the distance between which is 720 km and meet right in the middle. The second train left 1 hour after the first train, but traveled at a speed 4 km/hour faster than the first train.

Divide X^2+77x+20 by x+9 what is the quotient and remainder?

Brass is made from a mixture of copper and other elements. A mixture that is 80% copper is combined with a mixture that is 60% copper, resulting in 100 pounds of brass that is 65% copper.

in slope intercept form write the equation of a line that is parallel to 3x - 5y = 7 and passes through (0, - 6)