[1 mark) 18 Jamie says that y=3,x=4, y=2x-1 are all straight lines but that y=2r is not
Is Jamie right? Give a reason for your answer.

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

Find the measurement of angle b in the following triangle

Which statement describes the slope of the line?