a chef uses 3 3/4 pounds of semolina flour and 1 5/8 pounds of whole wheat flour for each batch of pasta she makes. one week she uses a total of 86 pounds of flour.
a) write an equation to solve for b, the number of batches of pasta the chef makes during the week.
b) how many batches of pasta does she make?

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 domain and range of the following function f(x) = 51x - 21+ 4

I’m confused on how to work the pie charts