shirts cost $20 each and ties cost $12 each. write an expression for the cost of s shirts and t ties.

What is negative seven twentieths plus negative two fifths?

What is a-2:5a+a+2:5a

What is the answer for this 5-1/5x<5

What is 5 1/5 times 2 3/4

111+111=6 121+121=8 131+131=10 151+151=?

Three different ways you can add the same addends to make 12

A farmer is enclosing a rectangular area for a pigpen. he wants the length of the pen to be 20 ft longer than the width. the farmer can use no more than 100 ft of fencing.

draw four different triangles, each with a 60 degree angle. Assign the variable d to the first angle measure and the variables e and f to the other two: Look at the triangles you have created.

What happens if the correlation coefficient equals 0? There is a strong negative linear relationship between x and y. There is not a linear relationship between x and y. There is a strong positive linear relationship between x and y.

Determine whether each sequence is arithmetic, geometric, or neither. explain. 7,13,19,25, ...