In Tyra’s class the ratio of boys to girls is 15 to 8. If there are 16 girls in her class then how may boys are there?

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

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

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers