How much will it cost for the family of four

Solve. what is the answer to 66 tens - 30 tens=

A jewelry supplier has a supply of pairs of earrings of which 40% are platinum pairs. a jewelry store orders five sets of earrings from this supplier.

Solve: 3x (x + 4) + 3 (x + 4) = 0 A) 0 and - 4 B) - 1 and 4 C) - 1 and - 4 Eliminate D) 1 and 4

The sum of two nonnegative numbers is 100. What is the maximum value of the product of these two numbers?

Problem Emily convinced her mom to buy a giant box of her favorite cereal. Her mom doesn't think the box will fit on their shelf. The volume of the box is 10,000^3. The base of the box is 25 cm by 10 cm. How tall is the box of cereal?

What is the slope of the tangent line to f (x) = -2+5 at x=4

Which value of x satisfies both - 9x + 4y = 8 and - 3x - y = 4?

Factor the expression. 14x + 42y

Does 3/8 and 4/10 form a proportion

If i am 6 ft tall and he is 4 ft tall how tall are we together