How many solutions are there to the equation 7x+12=5x-8

Divide. write in the simplest form. 4 1/6 divided by 10

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

You’re giving a cube with a length of 2.5 cm and a width of 2.5 cm and a high of 2.5 cm you place it on a scale and it is 295 g calculate the density