Carl wants to find the product 30×56. Which of the following best explains how he can find the product mentally?
A.

He knows that 30÷5 is 6. He then multiplies 6 by 6 to get 36.
B.

He knows that 30×66is 30. He then subtracts 1 from 30 to get 29.
C.

He knows that 3×6=18. He then adds 18 and 5 to get 23.
D.

He knows that 30×16is 5. He then multiplies 5 by 5 to get 25.

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong

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