The price of a gallon of gasoline was $1.65. the price rose y dollars. then the price dropped $0.15 and later rose again by $0.45. now the price of gasoline is? which expression could be used to find the price of the gasoline?
a. 1.9+y
b. 1.95+y
c. 2.0+y eliminate
d. 2.1+y

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

What is sin 7x/4 ? i need on this urgent trig