How do u know if a equation is linear or nonlinear

Choosing two balls, without replacement from a box containing 4 white balls and 3 black balls. What is the probability of choosing at least one black ball?

For each situation identify the independent and D pendant variable's right function and function notation then use the function to solve the problem Almira earns $50 per an hour. How much does she earn in 6 hours

Write 7.104 as a fraction or mixed number

The Mary boat cruise line charges a non-refundable fee of $150 and a fee of $280 a day on the cruise ship. The Billy Boat cruise line charges a non-refundable charge of $255 a day.

Solve the equation by doing the inverse operation to work backwards x+13=25

What is 4 (1/2 + 5/4) + - 5=

What is 18/90 in simplest form?

Twice a number - 5 is seven

Julie wanted to earn money to attend a basketball camp. She started with a gift of money from her grandparents and then saved $25 per month from her dog-walking jobs. After 7 months, she had $225.

58% of the students in MS - 67 are female. If there are 357 males, how many total students are there?