There are 145 sixth graders in Nada's school. If 2/5 of the sixth graders are girls, how many girls are there?

How many girls:

How many boys:

Write an expression for "n decreased by 3"

5. Which one of the following statements expresses a true proportion? A. 54:9 = 6:3 B. 7:9 = 8:9 C. 3:4 = 9:12 D. 2:1 = 1:2

Twice the difference of a number and 4 equals 9

A new neighborhood activity complex is being built in del rio. the perimeter of the rectangular playing field is 272 yards. the length of the field is 5 yards less than double the width. what are the dimensions of the playing field?

Calculate the closing percentage of the face value for a $3000 bond with closing price of $3165 a. 105 1/2 b. 100 1/2 c. 101 1/2 d. 102 1/2

Ursula's triangle has vertices at F (-7,-8), G (-6,-3), and H (5,6). If she translates her triangle 6 units down and 4 units to the left, what are its new vertices?

Kyle is training for a marathon. The equation y = 3x + 5.5 represents the number of miles Kyle can run over time, where y is the number of miles Kyle runs and x is the number of weeks Kyle has been training.

Which number completes the system of linear inequalities represented by the graph? y > = 2x - 2 and x + 4y > = ?

A tank can contain 40 gallons of gas, but it is not completely full. How much gas is in the tank if 6.5% of the tank is empty?

At the grocery store, ayla buys 1 1/3 ground turkey tash buys 2 times as much ground turkey as ayla. how much ground turkey does tasha buy?