Find a cofunction with the same value as tan pi/7

Whitch of the following values would be an outlier in the following set 1,14,17,18,19,23

5th term in expansion of (x-2) ^7

There are X giraffes at the zoo the number of elephants is 4 Less Than 3 times the number of giraffes and there are more than 23 elephants

How much time will a $500 investment need to earn $100 in interest at a rate of 10% per year?

Brandon has a 55-gallon fish tank. He estimates he can drain the tank at an average rate of 11 gallons per minute. In a linear model of this situation, x represents the number of minutes the tank has been draining.

the perimeter of a triangle is 12b+5. Two sides have the following length:4b and 3b+15. What is the length of the third side?

Building a is 190190 feet shorter than building b. the total height of the two buildings is 14801480 feet. find the height of each building.

What is the 8th term of this sequence? - 3, - 12, - 48, - 192 Anwers Option: -49,152 -12,228 -768 -196,608

How long does it take a train traveling at constant rate of 70 miles per hour to travel 350 miles A 280 hours B 20 hours C 5 hours D 245 hours

A coin has a diameter of 24.26 mm. What is the area of one face of the coin? Give your answer correct to 2 decimal places. (Use the calculator value of π) Area of the circle = π x r² = ___ mm.