What is the first step in solving the quadratic equation x - 40 = 0?

taking the square root of both sides of the equation

adding 40 to both sides of the equation

squaring both sides of the equation

subtracting 40 from both sides of the equation

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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