Need
the expression 0.07x+(x−300) models the final price of a television set with an instant rebate in a state that charges a sales tax. the sales tax is on the original price.

which expression represents the price of the television set after the instant rebate is applied but before the tax is applied?

a.) 0.07x-300
b.) x-300
c.) 1.07x
d.) 0.07x

Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias

Guys can y’all me because i don’t understand to the questions of my cousin she tell me to do the homework plz me guys

Which equation represent the line that is perpendicular to the line 5x-2y=-6 and passed through the point (5,-4)?