Sun Lei bought a laptop computer for $1800.

The total cost, including tax, came to $1890.

What is the tax rate?

Jodie walked 19 fewer minutes than Trudie. Which expression shows the number of minutes Jodie walked? A. y - 19 B. y : 19 C. y • 19 D. y + 19

Drag an answer to each box to complete this paragraph proof. Given: Triangle PQR with m∠P = (x) ° , m∠Q = (3x) ° , and m∠R = (5x) ° . Prove: x = 20 By the triangle sum theorem, the sum of the angles in a triangle is equal to 180°.

What does 55 represent y=55x+20

Comparing decimals 0.49 to 0.94 is that equal? or 0.94 more ... ?

What does it mean E=Mc2

Jason inherited a piece of land from his great uncle. owners in this area claim that there is a 45% chance that the land has oil. jason decides to test the land for oil.

True or false:since a regular hexagon contains no circles, it can be drawn using only a straightedge

Simplify: (3x+5y-4) - (4x+11)

A car dealership purchased a car for $15,000. They mark up the price by 35%. What is the retail price of the vehicle

Find the mean of the data set 65, 75, 64, 60, 64, 20, 80, 125