Solve the equations by simplifying the expression (not solving it)
Example: 3(9+10x) = 27+30x

2(4+4x) =?
9(5x+8) =?
6(2+3x)= ?
7(1+2x)= ?
8(2x+3)= ?
5(4x+2)= ?
4(11x+2)= ?
3(4x+5)= ?
11(2+3x)= ?

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80