What is the square root of - 1?

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-1

1

What is the volume of a cylinder with a radius of 7.5 cm and a height of 20 cm

A regular octagon has side lengths of 9 units. Each side of the octagon is increased by 27 units. What are the perimeters of the original octagon and new octagon?

A city has an elevation of 465 feet. Another city has an elevation of - 45 feet. Which expression can be used to find the difference in their elevations?

What is the metric system prefix for the quantity 0.000001?

Write an expression that represents the total cost if you decide to buy 3 veterinarian tables (T), 100 medical kits (K), 3 medical machines (M), and 250 antibiotics (A)

What percent of 123 is 140

What is a fraction of a pound in ounces?

Graph f (x) = 3log4 (x + 4) + 2. Find its domain, its range, and the equation of its asymptote

A hybrid car can drive 53 miles in the city on l gallon of gas. How many gallons of gas will it use to drive a total of 371 city. mil Enter the correct answer in the box. gallons

2a^2 + 6ab - 36b^2 all over 2a^2 - 8ab + 6b^2