Adiah played soccer for 1/2 hour she did homework for 5/4 hours

Answer this question! 30 points and brainliest! only if you know the answer.

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base