How do you find the answer for 1 5/12 -/3 =9/12

Awoman who is 64 inches with a shoulder width of 16 inches. write an equation relating the height h to the width w. find the height of a woman who has ashoulder width of 18.5 inches

Of jk j(–25, 10) k(5, –20). is y- of l, jk a 7: 3 ? –16 –11 –4 –1

The formula to determine energy is e=1/2mv2? what is the formula solved for v?