A graph titled Math scores versus science scores has science scores on the x-axis, and math scores on the y-axis. A trend line has an equation of y = 0.9 x + 6.8. Use the trend line to predict Jon’s math score based on his science score of 85. Round to the nearest integer, if necessary.

How do i do this? i don’t understand

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16