Which statement best describes the area of triangle abc shown below?
a triangle abc is shown on a grid. the vertex a is on ordered pairs 4 and 4, vertex b is on ordered pairs 7 and 2, and the vertex c is on ordered pairs 1 and 2.
it is one-half the area of a square of side length 6 units.
it is twice the area of a square of side length 6 units.
it is one-half the area of a rectangle with sides 6 units × 2 units.
it is twice the area of a rectangle with sides 6 units × width 2 units.

X-intercept=-5 y-intercept=2 the equation of the line is

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.