USING STRUCTURE Which of the following sets of angle measures could form a triangle? 100°, 50°, 40°
96º, 74° 10°
165°, 113°, 82°
D101°, 41°, 38°
D 90°, 45°, 45°
84°, 62°, 34°

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years