How many sides, angle and verticles are there in the following polygons

1. concave pentagon

2. concave nonagon

What is 12 less than a number x as an expression

Solve for e 9e+4=-5e+14+13e

Select the equation has no solution. A) 2x + 17 - 7x - 6 = 8 - 10x - 19 + 5x B) 7 + 16x + 1 - 4x = 24 + 8x - 9 + 3x C) 9x - 3 + 2x + 20 = 15 + 4x + 2 + 7x D) 12 - 6x + 4 - x = 3 + 8x + 13 - 11x

Find the X - and y-intercept of the line. 2x + 3y = - 18

Tomatoes that regularly sell for $0.65 per pound are on sale for 20% off the regular price. What is the sale price?

What is y=2x+1 and y=-1/2x+6? The 1/2 is a half ... just saying so you don't confuse it with division!

Forty-threeless then the twice a number, n

If h=11 units and r = 2 units then what is the approximate volume of the cone

What's the difference between linear and non linear functions

32 mystery books and 56 biography books, each shelf has the same number of books on them, how many books go on each shelf and how many shelves for each type of book