Expression 2

5+4x2+6-2x2-1

Insert parentheses in Expression 2 so that it has a value of 19. Then show why your expression has a value of 19.

Find the length of the diagonal of the rectangle when length is 15 and height is 12

Peter wants to make tarts. To make tarts, he needs 2/5 of a cup of flour per batch of tarts. If peter has 8 cups of flour, then how many batches of tarts can Peter make

I thought of a number, added 3 2/7 to it, then I multiplied the result by 1 1/2, and got 6 5/7. What was my number?

Jasmine is arranging 3 flowerpots (red, blue and green) in a windowsill. Which tree diagram shows the possible arrangements of the flowerpots?

What is the center of a circle represented by the equation (x+9) 2 + (y-6) 2=102?

What two numbers add to 5 and multiply to 4

If I was asked to think of a number and multiply it by 2, I could write this algebraically as 2x. Write the following algebraically, using x as your unknown. "I think of a number, multiply it by itself and then add 6 to the result."

10 skeins of yarn will make 4 scarves. How many scarves can be made with 25 skeins of yarn?

The probability that a new spark plug is defective is 0.06. You need two new spark plugs. What is the probability that both spark plugs you buy are defective? A) 0.06 B) 0.12 C) 0.0036 D) 0.0030

Angie has a jar that contains 2 red marbles, 2 blue marbles, and no other marbles. She randomly draws 2 marbles from the jar. If the marbles are the same colour, she discards one and puts the other back into the jar.