A school ordered a trapezoidal activity table as shown in the figure. Find the area of the table. SHOW ALL WORK!!!
60 mm
14 in
SOT

Ascuba diver was 80 feet below sea level and swam up at a rate of 4 feet per minute. the two solutions show how long it took the scuba diver to reach an elevation of 20 feet below sea level. lydia and max used the methods shown below to find the time it took the diver to reach the new elevation.

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m