Factorise

400x^2-49y^2

Carlos went out to a restaurant for dinner he took 25% off his bill which brought the sum of the dinner Bill plus the tip to $45 how much was the original bill

1. The price of gas has increased over time due to inflation and other factors. Assume that the equation y = 1.26 (1.10) x represents the price of gas for the years after 2000.

Darcie wants to crochet a minimum of 3 blankets to donate to a homeless shelter. Darcie crochets at a rate of 1/15 of a blanket per day.

In Mr. Diaz's class, 20% of the students received a grade of "A" on their report cards. There are 25 students in Mr. Diaz's class. How many students received a grade of "A" on their report cards?

A rectangle has perimeter 182in. and length 52in. what is the width

Which of the following describes the transformations of g (x) = - (2) * +4 - 2 from the parent function RX) = 2*?

Is 21/5 a rational number

Eric downloads a 20% off any one item coupon and goes shopping at Gadgets Galore, where he buys a digital camera for $94 and an extra battery for $16.99. i do not know the answer.

3 1/4 divided into 13

Factor as the product of two binomials. x² - 6x - 7=