Suppose a triangle has sides a, b, and c let theta be the angle opposite the side of length a. If cos theta < 0 what must be true?

a - b^2+c^2>a^2

b - a^2+b^2=c^2

c - b^2+c^2 d - a^2+b^2>c^2

You begin solving the equation 4-5x=594-5x=59 by subtracting 44 from both sides. Which is the best choice for Step 22?

Is (2, 5) a solution to the set of the following equations: 3x + 7y = 41 and - 2x - 4y = - 24?

X+6y+3z=4 2x+y+2z=3 3x-2y+z=0

What is the capacity of a building

Three times the larger number of two numbers is equal to four times the smaller. the sum of the numbers is 21. find the numbers

A parachutists speed during a free fall reaches 132 feet per second. What is the speed in meters per second? At this speed, how many meters will the parachutist fall during 5 seconds of free fall?

Lizzy has 6.5 hours to tutor 4 students and spend 1.5 hours in a lab. She plans to tutor each student the same amount of time. The inequality 6.

2x+4y>0-x+5y>0 A. (6, 0) B. (6, 2) C. (0, 0) D. (-4, - 2)

Find the cube root of 9,261

Law of Sines: sin (A) / a = sin (B) / b = sin (C) / c Triangle ABC has measures a = 2, b = 2, and m∠A = 30°. What is the measure of angle B? A. 15° B. 30° C. 45° D. 60°