Prove that 25^11 - 5^19 is divisible by 31.

Solve for 7+x/5 = 2

An Angle has a measure of (5x + 7) and another angle has a measure of 2x + 54. Together they form a linear pair. Find the measure of the smaller angle.

Stephen's glass holds 450 milliliters of milk. Farrah's glass holds 2/5 as much milk. How much milk does Farrah's glass holds?

The number of mosquitoes in a field after a major rainfall is modeled by the function M defined by M (t) = -t3+12t2+144t, where t is the number of days after the rainfall ended and 0≤t≤18.

Solve this problem. On vacation, a family drove 1,750 miles over a 10-day period. What was the average number of miles driven each day?

Each week Tim wants to increase the number of sit ups he does by to set up's the first week he does 15 sit ups each day. Write an explicit function in the form f (n) = mn+b to represent the number of sit ups f (n) Tim does daily in week n.

2 pipes running together can fill tank in 3 1/13 mins if one takes 3 mins more than other to fill it, find time in which each pipe woulf fill tank

Water in all three states is still water Question 3 options: True False

I have two consecutive odd integers. Their sum is 16. What is the smaller integer?

How do you evaluate lim (x->0) sin (9x) / 6x?