Jack has 35 pages to read by the end of the day. He has read 15 pages so far. Which equation represents
the number of pages Jack still has to read?

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?

Could someone with number 1 and 2

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?