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?

Serena uses chalk to draw a straight line on the sidewalk. The line is 1/2 ft long. She wants to divide the line into sections that are each 1/8 ft long. How many sections will the line be divided into?

Can 12/21 and 15/24 form a proportion?

What is a credit card balance? These are the answers A) The amount of interest you must pay the credit card company B) The required minimum payment to your credit card company C) A way to track your incoming and outgoing purchases D) The amount of

What is meant by the nearest 1/8 inch

Jeffery thinks that the largest place value 8.21 and 19.5 have in common is the tens place. Austin thinks that the largest place value they have in common is the ones place. A.) Who is correct, Jeffrey or Austin? B.

The measure of angle c is 70°. What is the measure of angle b

Why is 4 a natural number?

Students at university x must be in one of the class ranks, freshman, sophomore, junior, or senior. at university x, 35% of the students are freshmen and 30% are sophomores.

Assume that your production line has a quota of 10 units per day at $25.00 per unit an your line meets its quota

The equation f = v at represents the final velocity of an object, f, with an initial velocity, v, and an acceleration rate, a, over time, t. Which is an equivalent equation solved for a?