Twelve times the sum of a number and five times the number

I just need the equation

Find the greatest possible value of the product xy, given that x and y are both positive and x + 2y = 30

How do you find interest earned

Write as a product of two polynomials. 1. a (b-c) + d (c-b) 2. x (y-5) - y (5-y)

The cooking time is 20minutes plus an extra 40minutes for each kilogram. How many minutes will it take to cook 3 kg chicken

What is the solution to the system of equations below? 2x + y - z = 5 x + 3z = 14 -2x - 3y + 2z = 2

Draw 6 circles. Make 3 groups. Shade 1. Then write a fraction to name the shaded part of the groups

If two angles form a linear pair and then m<1=2x+20 and m<2=48x find the measure of each angle

Tints reserved You are in the band room when a shipment of new trumpets and trombones arrives. Your music teacher asks you to make sure the order is right. All the boxes are about the same size, so you find the number of boxes in the shipment.

I have 3 sets of some unknown amount of apples and 2 oranges m. I have a total of 15 pieces of fruit, how many apples do I have? 5 4 3 2

Amelia used 6 liters of gasoline to drive 48 kilometers. How many kilometers did Amelia drive per liter? At that rate, how many liters does it take to drive 11 kilometer?