Last week Raul worked 11 more hours than Angelica. If they worked a combined total of 59 hours, how many hours did Angelica work last week?
If carol earnsx dollars a week for 3 weeks and y dollars a week for 4 weeks, what is the average number of dollars per week that she earns?
What are two strategies for biodiversity conservation?
Derivation of kinetic energy in advanced strategy.
Establishment of National Parks and Sanctuaries is a strategy for :
30 children were asked about the number of hours they watched TV programmes last week. The result are recorded as under Can we say that the number of children who watched TV for 10 or more hour in a week 22? Justify your answer.
Outbreeding is an important strategy of animal husbandry because it
