To raise funds for uniforms and travel expenses, the soccer team is holding a car wash in a part of town wit
a lot of car and truck traffic.
The team spent $90 on supplies like sponges and
soap.
They plan to charge $10 per car and $20 per truck.
Their goal is to raise $460.

I need help with the last one (t trucks)

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?