Solve the equation 3 (x-7) - x=2x-21

Which of the following inequalities is true? 3/4 4/5, 5/6 16/25

Two angle of a quadrilateral is 90 degree and 100 degree. the remaining two angles are equal. calculate the size of each remaining angle.

Select True or False for each statement. For a real number a, a + 0 = a. For a real number a, a + (-a) = 1. For a real numbers a and b, | a - b | = | b - a |. For real numbers a, b, and c, a + (b ∙ c) = (a + b) (a + c).

W (t) = x3 + 4; Find w (4)

Donna sells beaded necklaces. Each large necklace sells for $4.60 and each small necklace sells for $4.20. How much will she earn from selling 3 large necklaces and 5 small necklaces?

John needs to cut three strips of woods, 25.5 cm, 15.3cm and 9.25cm long. He has a strip that is 72 cm long. How long will leftover piece be after he cuts what he needs?

Which property should be used to solve this equation 4+x=13

a store has some sale on let supplies the price of each item is marked down 25% the store also offers a coupon for 5 off for when you check out write an expression that represents the final price after a customer uses the coupon

T increased by r the answer

to multiply a number by 12, Carter likes to multiply the number by 10 and then multiply it by 2 and add the product. Write an expression with parenthesis how carter would solve 12*16