An express train also travels 350 miles but at a different constant speed. The express train completes the trip in 80% of the time it took the passenger train to travel 350 miles. What is the express train's
speed in miles per hour?

An art teacher made a copy of a small painting. to make the painting easier to see the teacher enlarged the area of the painting by 49%. let y respresent the area of the original painting. the expression below is one way to resperesnt the area of the new painting. find two equivalent expressions that would give the area of the new painting y+0.49y

The population in a city is modeled by the equation p(d)= 100,000*(1+0.3) where d is the number of decades since 1970

Rena used the steps below to evaluate the expression , when . step 1: substitute into the expression. step 2: simplify the parentheses. step 3: evaluate the power to a power. step 4: use reciprocals and find the value. in which step did rena make the first error?