There are 25 packets of rubbers and 5 boxes of rubbers in a delivery parcel. The mean number of rubbers in all the packets and boxes is 20. The mean number of rubbers in all packet is 18 . Work out the mean number of rubbers in the boxes. ANY " NOT SURE . I DON'T KNOW " OR ANY WASTING TIME ANSWERS WILL BE REPORTED !!!

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?