I need to graph a parabola. I need to find the vertex and a couple coordinates.

y=-x^2+2x-4

3 freshmen and 2 sophomores from a sorority will attend a conference. If the sorority has 12 freshmen and 9 sophomores, in how many different ways can the conference attendees be selected?

Find the sum of the geometric sequence 3, 15, 75, 375, ... when there are 9 terms and select the correct answer below. a. - 976,563 b. 976,563 c. 1,464,843 d. 976,562

All varieties of a fish are $2.50. william buys golden fish and star fish. write an expression that represents the total cost, t, of the fish if g represents the number of golden fish and s represents the number of star fish

Factor completely - 2x3 + 6x2. a. - x (2x2 - 6x) b. 2x (-x2 + 3x) c. - 2x2 (x - 3) d. Prime

The volume V, in cubic centimeters, of 1 kilogram of water at a temperature T (in Celsius) is given approximately by the formula V (T) = - 6.8 * 10 - 5 T 3 + 8.5 * 10 - 3 T 2 - 6.4 * 10 - 2 T + 9.99 * 10 2 where 0 C ≤ T ≤ 30 C.

there are 341 pine trees and spruce trees in woodlot. 122 trees were pine. what fraction of the trees were spruce?

If you are given a box plot without any numbers on the number line, what can you tell about the data used to make the plot?

The product of a number and 9 is increased by 4, is 58. find the number

Which statements are true about exponential decay functions? Check all that apply. A. The domain is all real numbers. B. As the input increases, the output increases. C. The graph is the same as that of an exponential growth function. D.

A number has the digits 2, 8 and 6 to the nearest ten the number rounds to 830. what is the number?