Osvoldo has a goal of getting at least 30\%30%30, percent of his grams of carbohydrates each day from whole grains. Today, he ate 220220220 grams of carbohydrates, and 555555 grams were from whole grains.
Did Osvoldo meet his goal? Why?

, Osvoldo ate
grams of whole grains

than his goal.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?