Determine the number of real solutions of the equation. Then solve the equation using square roots

x² = - 21

What is 30% of 75? A. 250 B. 22.5 C. 25 D. 225

If f (x) = (x + 7) ^2, which of the following is g (x) based on the translation? g (x) = (x + 9) ^2 g (x) = (x + 5) ^2 g (x) = (x - 9) ^2 g (x) = (x - 5) ^2

A drawbridge is 150 feet long when stretched across a river. As shown in the figure, the two sections of the bridge can be lifted upward through angle of 35 degrees. How far are the ends of the two sections when the bridge is fully opened?

If g (x) = 3 (x - 2), find the value of x if g (x) = 6. A - 12 B - 2.6 C - 8 D - 4

To convert a mass of 2.93 pounds to ounces, what ratio should you multiply by?

10% as a fraction in simplest form

On a 15-hour trip Rob drove 35%of the time and Mark drove the remainder of the time how many hours did Mark drive?

True or false a digit in one place represents one tenth of what the same digit represents two places to the left. explain why

These are lines that intersect to form right angles. Example: The formed by x-axis and the y-axis, a line with a slope of 3 and another line with a slope of - 1/3, the sides of a rectangle, and the sides of a square form this kind of line or segment.

A mixture of dimes and quarters has a total value of $10.20. There are 57 coins in all. How many type of each coin is present?