***pls ! i'm stuck on this !
1. 1. teresa is buying a car for $23,550. she will fiance $19600 of it with a 2-year loan at 2.17 apr.
what will her monthly auto payment be?
a) $426.49
b) $567.40
c) $838.98
d) $839.84

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?