Find the exact value of tan 2x if tan x=7/11 and pi

A three-digit number satisfies the following conditions: The digits are consecutive whole numbers in increasing order; the sum of each pair of digits is greater than 2 and less than 8; and the tens digit is an even number. What is the number?

What is the height of the triangle 35 and 819

Margaret is inviting 3 friends to a party and each friend will get 8 cookies. how many cookies does Margaret need to get

The hardware store sells sparklers for the 4th of july. they charge 19 cents apiece. the firework stand charges 85 cents for four. which is the better deal? how can you tell

State the x and y-intercepts of -2x + 5y = - 10

What is 2pi / 5radians in degrees

Gabby is recording her results from flipping a coin. She notices that heads has occurred 18 out of 41 times. What is the frequency of tails?

The standard form of the equation of a parabola is x = y2 - 4y + 20. What is the vertex form of the equation? A. x = (y - 4) 2 + 4 B. x = (y - 2) 2 + 16 C. x = (y - 2) 2 + 4 D. x = (y - 4) 2 + 12

Can somebody explain how to convert fractions with different denominators to fractions with the same denominator

There are 6 boys and 8 girls in a singing group. what fractional part of the group is girls