The teacher will add more pizzas to the box. he does not want to change the ratios among the three types of prizes .if he adds 2 more pencils to the box ,how many more bookmarks and how many more posters should he add to the box?

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4