Please help! I’m so confused

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?