Lodi solves the equation 3 + x/2=10 and justified each step as shown. Identify Lodi's error and fix his mistake. Remember the justification is Lodi's work as well.

Julia has five cards face down on the table. They are numbered 6, 7, 8, 9, and 10. What is P (10) ?

What is the answer to (c+3) - 2c - (1-3c) = 2

A report states the average selling price is almost $520,000. Which measure of center was most likely used for the report?

Jon's test grades are 67, 75, 73 and 69. What does he need to make on his next test to have a 73 average?

A bookstore sells a novel for $4.50. The percent discount is 25%. Find the novel's sale price. Round to nearest cent if necessary.

A gift store is ordering calendars to resell. the table shows the cost for the given number of calendars. what is the best value A) 6 calendars for $114 B) 8 calendars for $144 C) 10 calendars for $160 D) 15 calendars for $180

A rectangular roof shingle is 10 inches long and 7 inches wide. What is it's area?

En un salon de 35 alumnos se tiene que hay 4 varones por cada 3 mujeres? cuantas mujeres hay en el el salon de clases?

Carly spends $5 for n notebooks. Write an algebraic expression represent the cost of one notebook

If randy wants to increase his sales to at least 15000 thus year how many copies will he need to sell without changing the price per painting?