Which shows the equation below written in the form ax2 + bx +c = 0?
x2 + 8x + 10 = 3
a. x2 +5x + 13 = 0
b. x2 + 5x + 7 = 0
c. x2 + 8x +7 = 0
d. x2 + 8x + 13 = 0

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

If you answer right ill give brainliest, : )

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?