In your math class there are 15 boys and 21 girls. 12 of the boys and 15 of the girls are freshmen. if you randomly choose a student in your class, what is the probability that you'll choose a girl or a freshman?

A candle is 6 in tall after burning for 1 hour. After 3 hours it is 5 1/2 in tall. Write a linear equation to model the height y of the candle after burning x hours. When does the candle burn out?

How to count volume in mathematics year 6

Katie completes 2/3 of a craft project in 3/4 of an hour At this rate what fraction of the craft project does Katie complete in one hour give your answer in fractionform.

Which of the following forms a pair of equivalent rational numbers? (a) 24/40 and 35/50

Solve for x: 4x + 12 = 8 (given) 4x = - 4 (subtraction) x = - 1 Solve for x: 4x + 12 = 8 (given) 4x = - 4 (subtraction) x = - 1 What is the reason for the last step in the argument? A) division B) addition C) subtraction D) symmetric property

The number of grocery items on two grocery lists differs by 7. the total number of items is 33. How many items are on each list?

It was 89°F at 9am in Phoenix. By 2pm, the temperature had risen 22°F more. What was the temperature at 2pm

Three times a number increased by ten is equal to twenty less than six times the number. Find the number

Write three numbers greater than 20 that has a 9 as a factor

Which value of x makes the equation true? 2x - 5 = 3x - 8 A) 2 B) 3 C) 4 D) 5