Solve the system of equations by substitution. y=-4x - 16

y=-8x - 24

A) (-2,-8)
C) (-8, 2)
B) (2,-8)
D) (-2,5)

What is the distance between (–2 1/2,-3) and (1, –3)?

An apartment has a replacement cost of $950,000 and contents valued at $1,450,000. it has a classification of a and a territory rating of 3. find the annual premium a) $10,185 b) $9,230 c) $3,155 d) $13,830

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.