Show how do do this problem in stripe diagram. metcalf school has two third-grade room (a and b) and two fourth- grade rooms (c and d) have 46 students. room a has 6 more students than room d. room b has 2 fewer students than c. room d has 22 students. how many students are there altogether in a and b

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.

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Solve 13 + w/7= -18 (w/7 is a fraction)