What is the solution of * + 3y=-12 and 5*-3y=-6

Mike, Marco, Amy, Valeria, Jeslyn, Karina, Melanie, Maria, Sonia, Edgar, Emmanuel, Joey, Anthony, Perla, David, Mia, Dominic, Isabella, Alex, Nancy want to know the answer for 3x1 _ 4

Lucy is three times as old as Alex. Lucy is 7 years older than Megan. The sum of their ages is 126. Find the ratio of Alex's age to Lucy's age to Megan's age.

A parabola can be drawn given a focus of (0,-6) and a directrix of y=-2. Write the equation of the parabola in any form.

5 less than a number is 12

seans mom asks how long his homework will take. He tells her that he needs to read for 25 minutes and also do so math problems that will take M minutes altogether whose whom work will take H minutes

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.