What will help you get an A in math?

What is the product of 21 and 7? Let xy x plus 2y and let xy x - z. Solve the following system of equations for x y and z (xy)z 4 x plus (x(y2))(-z) -2 (xy)(-z) 2? 25 as a decimal? What is 32 over 50 in simplest form show work? What grade would I have if I got 195 out of 277 points? How many MHz is 500000 Hz? How wide is a standard pallet? Who was the wife of Saint John the Apostle? What is the name for development horizontal lines on the anterior teeth? What rhymes with 70 percent? What is 12.4 as a mixed fraction? What is the reference angle for an angle with a measure of 175 degrees? What is the value of the digit 3 in 4.3? Which of these actions would NOT help you organize data efficiently? What is 20 percent of 55? Is 2 x 2 impossible o inverse? How can you find 8 using a factor tree for 16 and 40? What do you know about two different integers that are opposites? How do you change 13.3 percent to a proper fraction? What does three tenth look like as a decimal?