I need help for tha pre-test?​

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Y=x+2 4x+3y= -36 system of equation

Emily works as a painter. for each job, it takesher 30 minutes to prepare an interior wall ofa house before she paints and 2 minutes persquare yard to paint that will. the graph belowshows the total time it would take her to do a job, based on the total area of the wallhow long does it take her to do a job when she paints a wall with an area of 15 square yards?