Answer:

Step-by-step explanation:
Given
Quadratic equation is

Roots of the quadratic equation
are

So, for the given equation roots are

All you do is divide by 10
there are 189 whole dimes
Answer:
y = 3 + 1/2 * x
Step-by-step explanation:
Y=x-7 this is because you subtracted the x to both sides. Since y is a negative, you divide by -1 causing the -x to turn positive and the positive seven to be negative seven.
16/25 in decimal form is 0.64