After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? Check all that apply.
A. -X^2 + 4x + 7 = 2x^2 - 9
B. -3x^2 +9x + 3x^2 = 14 + x - 1
C. 5x + 4 = 3x^2 - 2
D. x^2 + y^2 + x =0

Choose the correct translation for the following statement. it is at most ten. x< 10 x< 10 x> 10 x> 10

20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range

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.