When is a rhombus a rectangle

Frances left a 19% tip on a meal, including the tip, it's cost was $27.37. What was the cost of the meal before the tip?

What is an opposite of an opposite

Solve for all values of x by factoring x^2-2x-4=-2x+5

The product of 5 and a number is the same as 28 less twice that same number.

Solve triangle ABC if A=36 degrees, B=67 degrees, and a=8. b = 14.89, C = 77°, c = 17.11 b = 12.53, C = 77°, c = 13.3 b = 12.53, C = 77°, c = 4.83 b = 14.89, C = 77°, c = 16.8

Higher order thinking jacob says that an even number plus an odd number equals on odd number. Do you agree? Explain

How many milliliters equal 1 liter

Fernando bought 8 pints of milk. How many fluid ounces of milk did Fernando buy?

If a=3 what would the answer to this problem be? 2a+5 a=3

A charter bus travels 210 miles in 3.5 hours. assume the distance traveled is directly proportional to the time traveled. write and solve a direct variation equation to find how far the bus travel in 6 hours.