What is the percentage increase $21.30 to $38.50

Follow the process of completing the square to solve 2x2 + 8x - 12 = 0. After adding B2 to both sides of the equation in step 4, what is the constant on the right side of the equation?

What is the answer to this mathematical problem, (n-5) + (n+15) = 180?

When olivia started a business, the amount of profit she has was $-1550. during the first 6 months, her profit increased by $250 each month. what was the amount of olivia's profit at the end of the first 6 months?

Angle c and angle d are supplementary, the measure of angle d is eight times the measure of angle c. find measure of angle c and measure of angle d

You want to invest $10,000 dollars. How long will it take to double your investment at an annual interest rate of 10%, compounded continuously? (Round your answer to the nearest year) Using equation A=Pe^rt ^=exponent

Ted is 6 feet 4 inches tal. lisa is 5 feet 7 inches tall. how much taller is ted?

The tens digit of a two-digit number exceeds its units digit by 4. the number exceeds twice the number obtained by reversing the digits of the original number by 10. what is the original number?

Find the surface area of regular prism with height 6 cm, if the base of the prism is: Equilateral triangle with the side 3 cm and altitude of the triangle of approximately 2.6 cm.

Raise q to the 9th power, then add the result to r

What is the center of the circle represented by this equation? (x - 7) 2 + (y + 4) 2 = 9?