16.64 average of the four races that kerri ran in seconds.
Answer:

Step-by-step explanation:
Let
x ----> the cost of a pretzel
we know that
The phrase" $3 more than four times the cost of a pretzel" is equal to multiply the cost of a pretzel x by 4 and adds the number 3
so
The algebraic expression is

Answer:
<h2>x = 5</h2>
Step-by-step explanation:

The slopes of perpendicular lines are negative reciprocals.
If one line has a slope of 1/6, then the negative reciprocal would be -6/1 which is simplifies as -6.
The answer is C.
Answer:
B
Step-by-step explanation:
11.3+4.2=15.5m to the nearest tenth