I Need Help Plzzz i don't know how what calculations do i make What is the probability that an observation lines within 2.262 standard errors of the mean in a t-distribution with 9 degrees of freedom?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units