Why when I ask a question the right answers aren't given or another problem comes up

What is the solution of the equation? 35√(x+2)3+3=27

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?