Is a linear model or a quadratic model a better fit? Quadratic model graph quadratic model linear model

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee

What is the measure of each of the two angles formed by the bisector of the diagonal of a rhombus if the original angle measures 58 degrees?

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons