Subtract - 7a^2 + 3a - 9 from 5a^2 - 6a - 4

Answer should be polynomial in standard form

The name of the triangle whose angles are all obtuse.

Solve this equation. Check your solution. 3y+8=

81x^2-16 factoring special cases

Find a real number between 7 3/5 and 7 4/5

What is the answer to 2x - 1 + x + x + 1 = 180

Which of the following expression is equivalent to 6^-7? A 1 / (-6) ^-7 B 1/6^7 C (-6^) - 7 D 1/6^-7

Tell whether the lines for each pair of equations are parallel, perpendicular, or neither for questions 3 and 4. 3) y = - 7/8x - 1 and - 8x + 7y = - 21 4.) y = - 1/4x + 10 and - 2x + 8y = - 21

The pet doctor weighs Marc's dog every year. Last year, the dog lost 3.73 pounds from the previous year. This year, the dog gained 1.47 from last year. Which answer represents the total change in the dog's weight in the last 2 years?

9liters how many in milliliters

Divide. -4 1/3:-2 3/5 1 2/3 1 4/5 2 1/5 2 3/5