Helene is finding the sum (9 + 10i) + (-8 + 11i). She rewrites the sum as (-8 + 11) i + (9 + 10) i. Which statement explains the property of addition that she made an error in using?

What is the geometric mean of 6 and 9

What does understand and plan and solve and check mean

What does it mean to say that two variables are negatively associated?

Expand each logarithm log 7 (3x-2) ^2

Make up an equation that has an infinite number of solutions

Monique earns 25.00 per week working in the store after school. monique deposites 20.00 per week in her savings account had 275.00. after 10 week how much monique have in her saving account

At the movie theatre, child admission is $5.20 and adult admission is $9.70. On Sunday three time as many adult tickets as child tickets were sold, for a total sales of $788.90. How many child tickets were sold that day?

Is 2/4 equivalent to 3/6

The lengths of the sides of a triangle are three consecutive odd integers. The perimeter of the triangle is 45in. What is the length of the shortest side of the triangle?

Which of the binomials below is a factor of this trinomial? x² - 4x - 12