Which of the following is a complex number?

-7

2 + square root 3

4 + 9i

Pie

What is the correct placement of the value - 3

What represents 6 less than a number

What is the solution of y - 4x = 0 and 3x + 6y = 9? A. 'x = 0', 'y = (3) / (2) ' B. 'x = (1) / (3) ', 'y = (4) / (3) ' C. 'x = 1', 'y = - 1' D. 'x = (1) / (4) ', 'y = (2) / (3) '

Simplify completely the quantity 8 times x to the third power plus 6 times x to the 2nd power minus 4 times x all over negative 2 times x. - 4x2 - 3x + 2 - 4x2 + 3x + 2 4x4 + 3x3 - 2x2 4x2 + 6x2 - 4x

The volumes of two spheres are 327 π in3and 8829 π in3. a. What is the ratio of their radii? b. What is the ratio of their surface areas?

For the following exercises, write the interval in set-builder notation 10. (-infinity, 6) 11. (4, infinity) 12. [-3,5) 13. [-4,1]U[9, infinity) 14. (-infinity, infinity)

Gary needs to solve 120 problems by a certain day. He calculated, that to finish all the problems in time, he needs to solve 5 problems every day. But Gary's family is going on a trip, and for 4 days Gary will simply have no time to do math.

Complete the statement with equal to, greater than, or less than 7/8*6/6 will be __7/8?

4.2x10^6+2.25x10^5+2.8x10^6

Haysel practiced the flute for 1 hour and 10 minutes. She stoped at 6 20 for dinner. What time did she begin practicing?