Kayla already owns 1 hair band, and additional hair bands priced at 1 for a dollar. how much money does kayla needs to spend on new hair bands in order to own a total of 50 hair bands?

Sharina simplified the expression 3(2x – 6 – x + 1)2 – 2 + 4x. in step 1 she simplified within the parentheses. in step 2 she expanded the exponent.which is a possible next step

The number of volunteers to walk dogs at the local animal shelter last year was 20. this year, the number of volunteers has risen to 50. what is the percent of increase in the number of volunteers?

By january 2014 the us population had grown to 317.3 million and the us federal debt was a reported $17.3 trillion. calculate the january 2014 federal debt per capita. (round to the hundredths place)