Solve for p, c, s, & t: 2p+c+s=20; t+2c+s=18; c+t+2c=16; s+c+p+t=21

Which of the following tables represents exponential functions?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

The difference between the number of electoral votes for florida and north carolina is 12 votes. write and solve a subtraction equation to find a number of electoral votes for florida.