John borrow $6.50 from his friends to pay for snacks and $11.75 from his sister to go to the movies. how much money does he need to repay

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Solve the triangle. a = 21°, c = 105°, c = 5

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers