What is the solution to this system of linear equations? y − x = 6 y + x = −10 a(−2, −8) b(−8, −2) c(6, −10) d(−10, 6)

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)

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.