Explain how a solution found using substitution can be checked.

Add and simplify (4-3n-5n^2) + (-2+n-3n^2) A. - 2-2n-8n^2 B. - 2-4n-8n^2 C. 2-4n-8n^2 D. 2-2n-8n^2

On a scale drawing, the scale is 1 inch = 1 foot. Find the scale factor.

Express the concentration of a 0.0390 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00 g/mL.

What is the factored form of X²+11X+28=0

Are the numbers 9 and 36 relatively prime?

Akar akar persaman 3x^2+x-4=0 adalah

What product is less than 19*12

Jasmine buys the magic carpet on sale for / $374$374dollar sign, 374. Jasmine saved / $66$66dollar sign, 66 off the regular price. What percent was the price of the magic carpet discounted? / %%

Carlotta Rodriguez purchased six bushes for $19.27 each, a porch swing for $88.22, and a gas grill for $321.77. She must pay the state tax of 4.5% and the city tax of 2%. What is the total purchase price?

How to solve 1+4. x=-5+7. x