A taco stand sells tacos for $3.50 each. The stand's expenses for the day are $180. How many tacos do they need to sell in a day in order to make a profit?
Write and solve an equation.

What is the range? can’t seem to find it out

20 points plus brainliest andwer plus my hover hoard im v desperate ! evaluate the polynomial for x=-2 in the equation -3x^3+7x^2-7x-1 (simplify your answer)

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.