Will works 7 hours a day,6 days a week. he is paid ? 9.20 an hour. he shares his wages with his mum in the ratio will: mum=5: 2 will is saving all of his share to buy a car. how many weeks will it take him to afford a car worth ? 1932? you must show your working.

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

When lulu enlarged her drawing of a rabbit, the enlarged picture appeared to be distorted. which statement about the transformation applied to her drawing is true?

Exercise: counting committees 0.0/2.0 puntos (calificable) we start with a pool of n people. a chaired committee consists of k≥1 members, out of whom one member is designated as the chairperson. the expression k(nk) can be interpreted as the number of possible chaired committees with k members. this is because we have (nk) choices for the k members, and once the members are chosen, there are then k choices for the chairperson. thus, c=∑k=1nk(nk) is the total number of possible chaired committees of any size. find the value of c (as a function of n ) by thinking about a different way of forming a chaired committee: first choose the chairperson, then choose the other members of the committee. the answer is of the form c=(α+nβ)2γn+δ. what are the values of α , β , γ , and δ ?