A big piece of marble weighs 7 lb 7 oz and a small piece of marble weighs 3 lb 3 oz. How much do they weigh together? OA. 100 oz
OB
110 oz
OC. 160 OZ
OD
170 OZ

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Write the expression 7x^3-28xy^2 as the product of 3 factors

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.