The selling price of an item is $550. It is marked down by 20 %, but this sale price is still marked up from the cost of $400. Find the markup from cost to sale price.

Evaluate the expression 3.5x when x is 2.

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. If (x + 2) is a factor of x^3 - 6x^2 + kx + 10, k = [ ].

What is 19.30 dived by 200

Identify the number of solution or zeros. x^5 - 5x^2 + 6 = 0

40% of a man's salary is $1,200. What is his salary?

4. Write the explicit formula that represents the geometric sequence - 2, 8, - 32, 128

avani is building a rectangular play area the length of the play area is 7.5 meter the width of the play area is 5.3 meters if she wants to cover the area in foam how much foam does she need to buy?

Factor the expression x^2 - 4x-45

What is 27/32 divided by 7/8

There are 140 designs in the Church of the Lord's Prayer. Suppose each design is made of 72 tile squares. What would be the total number of tile squares?