Workout the value for 3x^2-5y when x=3 and y=4, i think the answer is 61 because :

3*3=9,
9^2=81,
5*4=20,

81-20=61

I just want to make sure that my answer is correct, can you pls tell me if it’s correct? I’ll give you 10 points hehe

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x