Normal distribution models what type of variable?

Random continuous variable

Discrete continuous variable

Random variable

Discrete random variable

Why is scientific notation useful and how is scientific notation used in the real world?

Cara has $25 to buy dry pet food and treats for the animal shelter. A pound of dog food cost $2 and treats are $1 apiece. If she buys 9 pounds of food, what is the greatest number of treats she can buy?

What is the quotient and remainder for 6 divided by 27

Tom sells cellphones for $45 a phone. Sam sells tablets for $149 a tablet but he is not making any profit yet because he still needs to pay off his order of $4992. when will the two guys make the same money? How much money will they both have?

An item has a listed price for $80 if sales tax rate is 3% how much is sales tax in dollars

Natalie is opening a clothing store. She plans to start by selling gym shorts. It costs her $7 for each pair of shorts, $3 per box for the shorts, and $0.25 a bag.

What is the equation of a line that passes through (0, 5) and (-10, 0)

What is 7 square root 4 to the power of 3?

What is the degree of this polynomial? - 11x^3+10x

Macie just bought a new fish tank. The fish tank is a cube with a side length of 1.75 feet. She is going to fill the fish tank using a small plastic container she found in her kitchen cupboard by filling it at the sink, walking it to the tank,