Sammy has 10$ Monday and gets $2 every Sunday for allowance. Tammy has $50 on the same Monday and spends $3 every Sunday on snacks. After how many weeks will they have the same amount of money on a Monday?

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)