a girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

How much e 67 + 78-78 =

L LESIU lee wants to cut a right triangle out of fabric for a craft project. Which of the following lengths could be the side lengths of the triangle? A. 8 cm, 15 cm, 17 cm B. 4 cm, 5 cm, 6 cm C. 9 cm, 40 cm, 51 cm D. 1.2 cm, 2.4 cm, 2.

How do you change repeating decimals into percentages?

Joe worked 15 hours at the greenhouse last week and 18 hours this week. He earns $7.70 per hour. Calculate his straight-time pay for the two weeks.

Find the difference 90,761,500 - 5,379,400

does it matter what interval you use when you find the rate of change of a proportional relationship? Explain.

Why can't a triangle have more than one obtuse angle

Riley is building a fence for his garden that is 20 1/2 feet long and 5 feet wide. what will the area of the fence be?

Solve for x Y^2+x^2=7^2

The decimal i am thinking of is 3 hundredths less than 3 tenths. What is my decimal