PLEASE HELP, WILL GIVE CORRECT ANSWER BRAINLIEST.

Given a triangle with b = 7 c = 6 and A = 29° what is the length of a? Round to the nearest tenth.
a:4.0
b:4.4
c:3.4
d:2.8

What is the vertex form of f(x) = x2 + 6x + 3

If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.