Find the value of x in x+y=8 and x-y=6

Your regular pay of $67, plus tips, came up to $182.50. How much was the tips?

What's the unit rate for 2550 gallons in 30 days round to the nearest hundredth

Susan is buying black and green olives from the olive bar for her party. she buys 4 pounds of olives. black olives cost $3 a pound green olives cost $5 a pound she spends $15.50 how many pounds of each type of olive does she buy.

What is 659 divided by 600?

Triangle MNO is dilated to create triangle PQR on a coordinate grid. You are given that angle N is congruent to angle Q. What other information is required to prove that the two triangles are similar?

The dimensions of triangle A are three times the dimensions of triangle B. The area of triangle B is 6 cm2. What is the area of triangle A?

An airplane travels 2004 km against the wind in 3 hours and 2544 km with the wind in the same amount of time. What is the rate of the plane in still air and what is the rate of the wind in km/h?

Find the center of the circle whose equation is x2 - 10x + y2 - 10y = - 1.

The area of a rectangle is 18 square centimeters. the length is twice the width. what is the width of the rectangle? 3cm 2cm 6cm 9cm

It costs a lumberyard $2.05 per cubic foot of lumber. If they sell the lumber back to their customers for $21.