Ajar contains 133 pennies a bigger jar contains 1 2/7 times as many pennies what is the value of the pennies in the bigger jar

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)