106+(12x+74)+z=360 solve for x and z

What is the standard form of -5x^2+2x^4-11+x^3+3x

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?