Y varies directly with x, and y = 7 when x = 2. What is the value of x when y = 21?

Write the number in scientific notation. 322,000,000

Ben is going for a walk, he walks 3.5 miles in 90 minutes. What is his speed?

A building casts a shadow 40 ft long when the sun's angle of elevation is 58 degrees. find the height of the building

Ryan owns 3/8 of a florist shop worth 76,000. what is value of ryan's share of the business?

There are (22) 4 ⋅ 20 cows in a meadow. What is the total number of cows in the meadow?

Which of the following is the equation of a circle with a radius of 5 cm and center at (3, 6) ? (x 3) 2 + (y + 6) 2 = 10 (x 3) 2 + (y + 6) 2 = 25 (x + 3) 2 + (y 6) 2 = 25 (x + 3) 2 + (y 6) 2 = 10

A sociologist studying the difference in ages between husbands and wives obtained a random sample of 55 married couples. The mean of the husbands' ages was 38.5 years with standard deviation 12.6 years. The mean of the wives' ages was 36.

The parent function is f (x) = 2^x-6+3 and the new function is g (x) = 2^x - 3+2. How does the graph change from f (x) to g (x) ? Select each correct answer. The graph is shifted 3 units right. The graph is shifted 1 unit up.

Dennis thought of a number. He adds 0.5 to that number and then multiplies the new result by 4. He then subtracts 2 and divides the number by 2. His final answer is 48. What number did Dennis start with?

Melinda is itemizing deductions on her federal income tax return. Her AGI was $295,420 last year, and she contributed $148,160 to charity.