Rational or irrational? - 101

For what value of x is the rational expression below equal to zero? 2-X 2 + x

Find the slope of the line 7x+4y=10

Ella is selling cookies for $4 per dozen. She pays $10 for ingredients. If she ends up with a profit of $66 how many dozen cookies did she sell? Equation Solution

What is the solution to the system? 0.5x + 0.6y = 1.7 -x - 0.9y = - 4.3

0.00002 in scientific notation

Find the measure in degrees and radians of the angle representing 1/3 of a circle.

Equations for review solve each equation 1.) - 8+n=7

At a party, Pedro filled a punch bowl to the top with fruit punch. The punch bowl is in the shape of a half a sphere. It has radius of 9 inches. Pedro served the punch in cone-shaped cups that each have a radius of 1.2 inches and height of 4 inches.

the height of the slide is 10 feet. The distance between the ladder and the edge of the slide is 12 feet. what is the distance of the slide?

What's equivalent to x^-2