Modulus: if z1=-2+3i and z2=1+2i calculate, |z1|, |z2|, and |z1+2z2|

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8