1.) is this number rational or irrational?

2.) is this number rational or irrational?

Sara sells beaded necklaces she makes a profit of 4 dollars pn every neclace she sells which table represents the profit sara makes

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2