Find the exact value of the trigonometric function. Do not use a calculator.

cot (-5π/4)

When dates are written as month/day, like today is 5/20, what is the probability a randomly selected day contains a '1' in the date? (Standard 365 day year) A. 43% B. 61% C. 53% D. 31%

A circular piece of metal has a radius of 3.5 meters. The metal sells for $3.25 per square meter. What is the total cost of the circular piece of metal? A. $11.38 B. $38.47 C. $71.44 D. $125.01

Find the fraction of these numbers. 1 1/4 of 20 7 1/4 of 64 2 1/5 of 30 8 1/6 of 72 3 1/2 of 12 9 1/3 of 75 4 1/3 of 9 10 1/5 of 150 5 2/5 of 15 6 1/3 of 42 True or False 11. 1/2 of 30 < 1/4 of 20 12. 1/5 of 30 > 1/3 of 24 13.

If f (x) = x2 + x, find f (-3). A.-12 B. 3 C. 6

Solve for x : x/-9=3

What important information must be included to find a sum of a series?

George is averaging 45 minutes of homework each school night most of the time george has five days a week and his school year lasts for 36 weeks about how many minutes of homework will he do throughout the entire school year

Victoria wants to save $500 for a vacation. She plans on saving $20 a day. If she already has $160 saved, what is the minimum number of days she needs to continue saving mone?

List all the perfect squares to15

The sixth-grade class at west side school starts a charity collection on monday, with $78 donated by the parents organization. they plan to add $2 to the fund each day. how much will they have after 90 days?