What is the first step in evaluating the expression shown below?

12÷(7.4−3.6)+8−2
a. subtract 7.4−3.6.
b. divide 12÷7.4.
c. add 3.6+8.
d. subtract 8−2.

What is the equation of the graph below? y=sec(x)-4

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?