How do i solve 7x-y=21

Factor 4x^2+28+49 A. (x+7) (4x+7) B. 4 (x+7) (x+7) C. (2x+7 (2x+7) D. 2 (x+7) (x+7)

Enter 8/10 as hundredths.

What Is the equation of a line with a slope of - 8 and y-intercept of 5

Show work for fraction equation (6) 4/5

10.) Apply the distributive property to expand the expression. 3 (9 - 3x)

Your bakery is located in a large shopping center. The intire shopping center is 4,500 square feet. Your bakery takes up 1/10 of that space. How many aquear feet is your bakery.

1. Saiz buys a Playstation 5 for $500 with a credit card carrying a 21% Annual Percentage Rate (APR) and each month she will pay back $10. By the time she finishes paying off her credit card, what will be the real, total cost of the Playstation 5? 2.

A microscope has a setting that magnifies an object so that it appears 1000 times larger when viewed through the eye piece. If a tiny insect is. 095 cm long, how long will it appear through the microscope?

Jimmy found five numbered cards, 1, 2, 3, 4, and 5 under his brother's bed. In how many ways can he arrange the cards to form a five-digit number?

Is 9x to the power of 2 and 5x like terms?