tom simplified an expression in three steps, as shown:

which is the first incorrect step and why?

step 1, all the exponents are increased by 4
step 2, the exponents of the same base are added during multiplication
step 3, the exponents of the same base are subtracted during division
step 3, all the exponents are added during division

In the pendulum formula t=2pi. read the problem on the picture ! ; $; $; ! ; ! ; ! ; )$; ! ; ! ; ! ; $; $; $! ; ! ; ); $; $$

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.

Simply 8x squared + 5(7x squared- x) - 2x =