Alma is finding the measures of the angles in a triangle that have the ratio 1:3:5. circle her mistake and correct it

x + 3x + 5x = 180

8x = 180

x = 22.5

Students were surveyed about their wither break plans. Of the people that stated they were going skiing, 25% did not actually go. How many students actually went skiing?

The sum of the squares of two numbers is 18. the product of the two numbers is 9. find the numbers.

Sara has 10 apples and four bannas she gives Peter 2 apples how many do Sara has left

Maddy bought 10 flowering plants each plant has 5 flowers

How was your find all the factors of a number

Find angle E if angle E and angle F are supplementary, angle E = 2x + 5 and angle F = 5x - 38

How do I become better using mental math?

Alma and Blanca are playing a game where they roll a pair of fair six-sided dice and try to predict the outcomes. Blanca thinks that the probability of rolling a one and a five is greater than the probability of rolling a one or a five.

65 out of 20 to a percentage

20/100 as a percent