Solve each equation for the given variable: -2x + 5y =12 for yplz, answer quickly! i'm really  behind in my regents 's due tomorrow!

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.