When it was Tess’ turn in the “Guess my number” game, the gloves were off! She gave Davis the following 10 clues:
A nine-digit whole number
Even
Each of the digits appears exactly three times
Each digit is greater than 6
All the digits in each period are the same
Greater than 800,000,000
Divisible by 3
Divisible by 4
Its millions digit is 9
Its thousands digit is 7

Y=4x^2+x-1 solve using quadratic formula

Find the area and perimeter of each composite figure. use 3.14 for π. round your answer to the nearest tenth. a square and a right triangle share a common side. image long description a 3-meter by 0.5-meter rectangle has triangles attached like wings to the 3-meter sides. the other two sides of both triangles measure 2.5 meters. the height of each triangle is 2 meters. a 6-inch by 4-inch rectangle has 2 half-circles attached like wings to the 6-inch sides. the radius of each half-circle is 3 inches. find the surface area and volume of each figure. use 3.14 for π. round your answer to the nearest tenth. a right circular cylinder has a base radius of 6 yards and a height of 20 yards. a rectangular prism has a base that is 9 centimeters long and 7 centimeters wide. the height is 2 centimeters. a rectangular prism has a base that measures 11 millimeters by 11 millimeters. the height is 11 millimeters.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²