4. Joan has 45 marbles. Mary has m marbles. If Joan has 15 times as many marbles Mary, write an equation thal shows how many marbles Mary has.

5 boys ate 2/3 of pizza what is the total amount of the pizza the boys ate

5 2/5+a=71/2 what is the answer to this problem

According to the World Health Organization (WHO) Child Growth Standards, the head circumference for boys at birth is normally distributed with a mean of 34.5cm and a standard deviation of 1.3cm.

Describe another method to compare the costs of 24 cents and 18 cents

2/3x+4=2x Is it always, sometimes, or never true?

Find the circumference of a circle whose area is 60 pi centimeter squared

An airplane descends 1.5 miles to an elevation of 5.25 miles. Write and solve an equation to find the elevation of the plane before its descent.

What is the square root of - 148

Jamal and tia started riding to the mall with their bicycles. The mall is 3.5 km from Jamal's house. They stopped for a drink at a park after 2.25 Km. How much farther do they have to ride to reach the mall.

Luke made a model of a solid figure with one circular base and one curved surface with solid figure did he make