Determine the direction that is this parabola opens: y=-x^2-2x-5

Besides Spanish what other languages spoken in the northern part of Spain

A wire is first bent into the shape of a triangle. Each side of the triangle is 4in long. Then the wire is unbent and reshaped into a square. What is the length of a side of the square?

What ia the gcf for the numbers:24,40,56

Calculate the average rate of change for the graphed sequence from n = 1 to n = 3.

15% out of 365 days, about how many days can residents predict rain?

Mr Smith can do 10 jumping jacks in 8 seconds. At this rate, how many jumping jacks can he do in 12 seconds? Show your work.

Tori has a bag of 32 markers to share equally among 3 friends and herself. how many markers will tori and each of her friends get?

7,9,12 angles can form a triangle

What is the original price if: after a 70% discount it became $3b

Independent random samples of observations each are drawn from normal populations. the parameters of these populations are: population 1: and population 2: and find the probability that the mean of sample 1 is greater than the mean of sample 2 by