What is 7 + 6u = 43 showing the work

a study studied the birth weights of 1,999 babies born in the United States. The mean weight was 3234 grams with a standard deviation of 871 grams. Assume that birth weight data are approximately bell-shaped.

Rick thought of a counting number, and then he added the next counting number to it. He got the sum of 95. What was Rick's number?

One bridge is 4260ft and the other is 760ft. What is the length?

Puzzle: 2. Find the sum of the digits of each multiple of 9 below. Sum of digits 1 + 8 = 9 9.1 = 9 9.2 = 18 9.3 = 27 9.4 = 36 9.5 = 45 9.6 = 54 9.7 = 63 9.8 = 72 9.9 = 81 Describe a pattern. (Do you think it will continue?)

Identify the property used in the first 5 steps to solve the equation 2 (x-5) - 6x=-22 Answer choices: Step 1: Associative, Commutative or Distributive Property Step 2: Associative, Commutative or Distributive Property Step 3: Addition or

which shape had a larger area: a rectangle that is 7 inches by 3/4 inch, or a square with side length of 2.5 inches? Show your reasoning.

A manufacturer of golf clubs makes a profit of $50 per set on a model A set and $55 per set on a model B set.

Evaluate the expression. 92-14⋅12 Enter your answer as a number, like this: 42

What is the coefficients of the x term 4x-2y-x+5y-8

In America, a person uses about 100 gallons of water each day, which is equal to 1,600 water-filled drinking glasses. How many water-filled drinking glasses would 281 Americans fill in a weeks time? a. 449,600 water-filled glasses b.