What is the sum of 3a+b+a+b?

Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar (s). The grades received by 200 students follow a normal distribution. The mean of the grades is 70%, and the standard deviation is 7%.

55.0 inches of on average annually with a standard deviation of 5 inches. Assume the amount of annual rainfall in the Everglades to follow normal distribution. What is the probability that it will rain less than 45 inches this year?

At a fruit stand, 4 limes cost 80 cents. Which equation can be used to find the cost, y, in cents for x number of lines

How fast is a 2020 subaru

max need to move 87 boulders in 2 days. can he move the same number of boulders each day how do you know

52.5 of what is 8.82

Which of the following sets are equal to x Question 5 options: {3, 4, 5, 6, 7, 8} {2, 3, 4, 5, 6, 7, 8, 9} {8, 7, 6, 5, 3} { } {2, 3, 4, 5, 6, 7}

A card is drawn from a deck, find the following probabilities: a) it is either a 3,6,10, or a king b) it is black

2x - 4y = 9 Solve for x and y

Find the balance of a savings account at the end of 10 years if the interest earned each year is 7.5%. The principal is $500?