1. 3(3x - 5y - 2) -2(7 + 5x - 8y) = 2. 2w(3x - 4z) +8wz =
3. 18xy - 3x(4y) - 2x . 2y =
4. Subtract 8r - 5w from 7w + 12r.

5. a) Simplify the expression.
2(4b - 7c) -3(2c - 3b)
b) Hence, find the value of the expression when b = - 6 and c = 1/2.
6. 18y - 27xy =
7. 21xz + 24yz - 14x - 16y =
8. 2x+1/ 3 + x-3/ 4
9. The sides of triangle ABC are AB = (3x + 4) cm, BC = (4x - 5) cm, and CA = (x + 13) cm.

a) Express the perimeter of triangle ABC in term of x.

b) Factorize the answer.

c) A square PQRS has the same perimeter as triangle ABC. Express the length of one side in term of x.

d) Find the perimeter of triangle ABC when x = 7.

To prove p is equal to q using an indirect proof what would your starting assumption be?

Juliana says that she can use the patterns of equivalent ratios in the multiplication table below to write an infinite number of ratios that are equivalent to 6: 10. which statement explains whether juliana is correct? she is correct because she can multiply 6 and 10 by any number to form an equivalent ratio. she is correct because 6: 10 can be written as 1: 2 and there are an infinite number of ratios for 1: 2. she is not correct because the multiplication table does not include multiples of 10. she is not correct because 6: 10 is equivalent to 3: 5 and there are only 9 ratios in the multiplication table that are equivalent to 3: 5.

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9