How do I reduce 3 25/21

What is the anwser to 7 (4z+8b)

the length and width of a rectangle are consecutive integers. If the area of the rectangle is 90cm^2, what is the primeter of the triangle

On a certain planet, objects weigh about six sevenths of what they weigh on Earth. An object weighs 22 and two sevenths pounds on the planet. Solve the equation for w to find the object's weight on Earth, in pounds

Round 5.275 to the nearest hundredth

Find the LCM of 120 and 210.

12 lb = ___ oz I forgot how many ounzes are in a pound = T

A confectioner sells the milk after mixing some water in it at the same rate at which he bought. If he gains 25 % in this way, the quantity of watey mixed with per litre of milk

What number is less than - 2 4/5 and greater than - 31/5

Katya is 15 years old, which is 5/6 of her brother's age. How old is her brother?

Complete the square so that the left side of x2 + 8x - 3 = 0 becomes a binomial squared.