Andrea writes a down a number, k. I write down a number that is 4 less than 5 times Andrea's number. If the sum of our numbers is 14, find the two numbers.

The isotope cobalt-60 has a nuclear mass of 59.933820 u Calculate the binding energy of cobalt-60 using the following information. Mass of Proton: 1.007825 u Mass of Neutron: 1.008665 u 1 u = 931.5 MeV

You spent these amounts on natural gas for the past four months: $112, $108, $99, $89. what should you budget for natural gas this month?

Joe and Nate went for a walk. The system representing each boys progress is graphed below. Which statements about the system and scenario are true?

Ratio of boys to girls is 3 to 1. what percent is girls?

F (x) = 12x+1 Find f (4)

Wayne bought blueberries. He uses 3/8 of the blueberries to make blueberry bread, 1/6 of the blueberries to make pancakes, and 5/12 of the blueberries to make the jam.

Factor this trinomial completely. - 12x^2+45x+12

How many hundreds go into 8 ten thousands

The second of two numbers is 4 more than the first. The sum of the numbers 56. find the numbers

Solve the problem 4y+3=19 using mental math