How many electrons are in the nucleus of an atom with the atomic number of 20

What expression is equivalent to 24b-34ab

Solve for x. 5 (x + 1) = 4 (X + 8) What's the answer?

How many times can two go into fifty?

Multiply or divide as indicated. 5a 2 • 6a 4

The difference of 2 numbers is more than 12, and one of the numbers is 3 ... Then solve it

The table models how the population of a city has changed over time. What does the y-intercept represent?

The back of Alisha's property is a creek. Alisha would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a corral.

Given the function f (x) = - 2x2 + 3x + 10, find f (1) and f (3). Choose the statement that is true concerning these two values. The value of f (1) is the same as the value of f (3). The value of f (1) cannot be compared to the value of f (3).

What is 15 minus four

The ratio of male students to female students in the drama club at Campo high school is 3:4. If the number of male students in the club is 18, predict the number of female students.