What is 9/10-2/5 simplified?

7hr = how many minutes

In a certain Algebra 2 class of 22 students, 5 of them play basketball and 11 of them play baseball. There are 3 students who play both sports. What is the probability that a student chosen randomly from the class plays basketball or baseball

A rectangular room is 4 meters longer than it is wide, and its perimeter is 24 meters. Find the dimension of the room.

Forty five children attend a preschool. The number of two year olds is one half the number of three year olds. The number of four year olds is the same as the number of three year olds.

Find two vectors v¯¯¯1 and v¯¯¯2 whose sum is ⟨1,5⟩, where v¯¯¯1 is parallel to ⟨0,3⟩ while v¯¯¯2 is perpendicular to ⟨0,3⟩.

Solve for v in terms of s, t, an u. U=tsv

Two cities are 2310 miles apart. a plane leaves one of? them, traveling towards the other at an average speed of 380 miles per hour. at the same time a plane leaves the? other, traveling towards the? first, at an average speed of 390 miles per hour.

What expression is equivalent to x+x+x+2

Todd ran 8 laps around a 400-meter track on monday, 4laps on tuesday, 8 laps on wednesday, 4 laps on thursday, and 8laps on friday. how many kilometers did he run?

Amanda found that the equation 10x+5y=20 in the "Linear Equations" chapter of her math book What is an equation that can be written with Amanda's equation to for a pair of linear equations such that the system of equations has exactly one solution?