Round each number to the nearest hundredth.

what is the best estimate for the answer to 434.657 + 102.494?

a.
536.05

b.
537.04

c.
537.15

d.
537.16

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?