Tyler works in retail where she earns $10.50 per hour. she also earn $15 for every new credit account she gets customer to open and she gets a weekly stipend of $50 for clothing. tyler knows her weekly earnings can be shown with the following expression part a: identify a coefficient, a variable, and a constant in this expression part b: if tyler works for 37 hours and open 12 new credit account, how much does she earn? show you work to receive full credit part c: if tyler gets a raise and begins earning $11.25 per hour, would the coefficient, variable or constant in the expression change? why?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.