7. find the values of a and b in the
diagram shown.
124°
(2a + 3b)
(3a - 2b)°

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?