What must be done to the expression x•6.78 to make it equal x?

A. multiply by 6.78

B. subtract 6.78

C. subtract x

D. Divided by 6.78

E. add 6.78

A surveyor is standing 30 feet from the base of a tall building. The surveyor measures the angle of elevation from the ground to the top of the building to be 65°. Find the height h of the building to the nearest foot.

Which statement (s) can be interpreted from the equation for a real estate value, V (C) = 228,000 (1.03) ' where V (C) represents the value of the real estate and t represents the time in years? The equation is an exponential growth equation.

What is the sum or difference? (2m+7) - (3-4m) 2/3 (6c+4) - (8c-5)

Name the Ray that PQR and SQR share

Write the following numbers in scientific notation 2040000

The volleyball team sold 16 items on the first day of a bake sale, 28 items the second day, and 12 items the last day. There were 4 items left that had not been purchased. How many total items were for sale at the bake sale?

N (n-1) + 3 (n-1) Factor the polynomial

Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $160 in interest after two years. How much money should he deposit?

Consider the following data which describe the amount of time in minutes students spend studying for a quiz: 10, 11, 11, 12, 12, 14, 15, 18, 19, 20, 22, 24, 39, 40, 41, 44, 46, 50, 52, 52, 53, 55, 70.

Employee Earnings per month ($) 1 1200 2 2600 3 1800 4 1450 5 3500 6 2800 7 12500 8 3200 Which measure of spread is best for the data in the table? A.) range B.) quartiles C.) interquartile range D. mean absolute deviation