What % is 25 out of 125

Of the 400 students at a basketball game, 180 are girls and the rest are boys. What percent of the students at the basketball game are boys

How many grams of hydrochloric acid will react completely with a block of tin that is 2.5 cm by 3.0 cm by 3.5 cm, if the density of tin is 7.31 g/mL? Show all steps of your calculation as well as the final answer. Sn + HCl → SnCl2 + H2

The length of a rectangle is four times it's width. If the perimeter of the rectangle is 100ft find it's area

Rammy has saved $26 for a new bicycle helmet that costs $47. let n represent the money he still needs to save. write an addition equation using n that would allow rammy to find the amount of money that he still needs to save.

Linear or nonlinear a) - Y=2x-4 b) x/3 + 4=Y c) Y = - 5/x+5 d) Y = 3/x to the third power minus 2

6 yards to 36 yards. Find the percent of change. Round to the nearest tenth of a percent if necessary.

Mark, evan, and cayla are playing a game. there are 3 blue marbles, 2 red, and 1 green marble. if mark pulls a blue marble he gets $1. if evan pulls a red marble, he gets a $2. if cayla pulls a green marble, she gets $3.

How do you reduce 12/30 by 1/2

Maria's age of 17 years less than Orlando's age. The sum of their ages is 33 find their ages.

John had $21 to spend on 2 notebooks. After buying them he had $13. How much did each notebook cost?