How to solve linear equation 3x+y=10

What is the function in vertex of f (x) x^2+6x+3

Amy is baking her famous pies to sell at the Town Fall Festival. She uses 32.5 cups of flour for every 10 cups of sugar in order to make a dozen pies. Answer the following questions below and show your work.

Which quantity is proportional to 12/4

24x25x3.3 = 114 (Give answer correct to 1 place of decimal).

A yogurt shop offers 7 different flavors. Customers can choose a cup or cone, with or without sprinkles. How many different orders are possible?

A 880-foot tree has grown at a constant rate each year. In the equation below, t is the age of the tree in years. 20t = 880

The last square of the chessboard is square 64. How many pennies are on square 64?

Im going to buy huaraches in womens (7.5) so do i order that size or order an 8?

Ms Cooke bought 9/10 of a cake. She ate 2/5 of her cake. How much cake left.

The average of 4 number is 85. if three of the numbers are 76, 78, and 81 what is the fourth number.