HELP!!
Determine whether you can construct many, one, or no triangles with the given conditions and explain why:

a scalene triangle with a 3 cm side and a 7 cm side

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x,y) t-2, 00 ro, 900(x, y)

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4