I need the answers ASAP please! Thanks! Write each part-to-whole ratio as a percent.
a) 19:20
b) 12:15
c) 3:8
d) 5:6

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

What is the value of x? enter your answer in the box. x =

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)