What is the exact value of cos (-pi/2)

What digit is in the tens place in the number 35,176?

What does a siren have a lower pitch

Death Valley has an elevation of - 282 feet relative to sea level explain how to use absolute value to describe the elevation of Death Valley as a positive integer

Scores on a certain test are normally distributed with a variance of 88. a researcher wishes to estimate the mean score achieved by all adults on the test.

To take a taxi, it cost $3.00 plus an additional $2.00 per mile traveled. you spent exactly $20 on a taxi, which includes the $1 tip you left. how many miles did you travel?

When y is 3 and x is 5 what's the constant of variation

Find the value of c so that (x+1) is a factor of the polynomial p (x). p (x) = 2x^4-5x^2+cx+1

A company ordered 10 boxed lunches from a deli for $74.50. each boxed lunch cost the same amount. which equation represents the proportional relationship between y, the total cost of the nixed lunches and x, the number of boxed lunches? A) 7.

Change the following numbers into percent 0.05

Calculate the discriminant: 5x² + 2x - 2 = 0