A triangle with two acute angles must be a right angle

Write a system of linear equations. Solve by any method (substitution, elimination, y-intercept)

1) •There were 3,905 more hits on the schools website in January than February. •Feb. = 9854 hits. •How many hits to the schools website have during both months? A) About how many hits did the website have during Jan and Feb?

Determine whether y varies directly with x. If so, find the constant of variation? 5y=10x

Such is biger 4/8 or 4/6

Angelina ran 2 miles in 15 minutes. At that rate, how far will she run in 1 hour?

Find the area under the line y=4x+1 between x=2 and x=3

Prove the trigonometric identity: (csc^2x) / (cotx) = cscxsecx ... ?

What is (3x + 5) - (x + 2)

1. Simplify. tan (x + 540) 2. Simplify the expression. sec (x - 360) 3. Simplify. 5cos (x) + 3cos (-x)

When looking at a rational function f of x equals the quantity x plus three times the quantity x minus two times the quantity x plus five all divided by the quantity x minus three times the quantity x plus two times the quantity x minus 5, Charles