Please give a detailed explanation, im genuinely trying in this class​

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?