WILL MARK BRAINLIEST Which ratio expresses the scale used to create this drawing?

The shopping mall has dimensions of 50 yards by 120 yards.
A. 1 square/10 yards = 12 squares/120 yards
B. 1 square/10 yards = 120 squares/120 yards
C. 10 squares/1 yard = 120 yards/12 squares
D. 10 squares/1 yard = 12 yards/120 squares

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?