If s(x) = x - 7 and t(x) = 4x7 - x+3, which expression is equivalent to (tºs)(x)?
4(x - 72 - x - 7+3
4(x - 72 -(x-7) + 3
(4x²-x+3)-7
(4x? – x+3)(x-7)

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

Can someone me with these two circle theorem questions asap?

Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.