Find the perimeter of a rectangle with a length of 10m + 2 and a width of 5m. (A) 25m+7

(B) 50m+10

(C) 30m+4

(D) 25m+8

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

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”?

In the diagram below,abc is congruent to dec what is the value of x