Cos^2 45 + 2 sin^2 45

explain please guys​

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?