# Daily Math Practice Challenge: Preparing for the ACT Exam-DAY 7

Welcome to our “Daily Math Practice Challenge: Preparing for the ACT Exam”! This challenge is designed to help you engage in targeted math practice every day, gearing up for the ACT exam. Through daily exercises, you will enhance your problem-solving speed, deepen your understanding of mathematical concepts, and strengthen your ability to tackle a variety of math problems.

1. What is the value of ⎪(−2)(−3)(−2)⎪ − ⎪−3 − 12⎪ ?

A. −3
B. −2
C. 3
D. 22
E. 27

2. (k + 2m)(3k − 2m) is equivalent to:

3. The dimensions of a hallway floor are shown below. Each pair of adjacent walls meets at a right angle. Teresa plans to completely carpet this entire hallway floor. At a cost of $2 per square foot, how much will carpeting this hallway floor cost? A.$ 95
B. $150 C.$190
D. $285 E.$300

4. . If 2x + 3y = 7, then which of the following is an expression for y in terms of x ?

5. Which of the following is a possible sum of the complex numbers ​$$\sqrt[]{-9}$$​ and ​$$\sqrt[]{-16}$$​?

A. 7i
B. 5i
C. 7
D. 5
E. −5