Here's a fun question: In 10 years, the total age of 2 brothers and 2 sisters will be 100 years. What will be their total age in 7 years?

PS, the answer is not 94

Figure abcde is a regular pentagon. segment ae is located at a (2, 1) and e (4, 1). what is the perimeter of abcde? 4 units 6 units 8 units 10 units

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12