Mrs. chin paid a 20 percent tip on the bill for lunch. if the tip amount was $2.75, what was the bill for lunch before the tip was added to it?

Can someone lemme borrow their heart i been feeling lonely and i just want to be loved

Costas and Sheila bought a raffle tickets. The grand prize is $100.00. Costas gave $3.50 and Sheila gave $1.50. If they win they will share the money in the same proportion that they paid for. How much of the money should each person receive

A dealer paid 10000 for a boat at an auction. At the dealership, a salesperson sold the boat for 30% more than the auction price. The salesperson received a commission of 25% of the difference between the auction price and the dealership price.

Factor 15x3 5x2 + 6x 2 by grouping. What is the resulting expression? (5x2 + 2) (3x 1) (5x2 2) (3x + 1) (15x2 + 2) (x 1) (15x2)

Jeffery multiplied 7/8 by 2/3 and made the conclusion that the product of two rational numbers is rational. Is Jeffery correct? Explain.

Katya is 15 years old, which is 5/6 of her brother's age. How old is her brother?

Complete the square so that the left side of x2 + 8x - 3 = 0 becomes a binomial squared.

The numerators of any rational roots of a polynomial will be factors of the what?

What is 12-9*3*4+3 in three different ways

What is the combined land area of the countries A and B is 154,973 square kilometers. Country A is larger by 573 square kilometers. Determine the land area of each country