6. PQR is a right angle triangle. QS is perpendicular to PR, and PQ has length 1. 1) Find QS and PS in-terms of 0.

2) By considering triangle QSR, find an expression for SR.

3) By considering triangle PQR, find PR in-terms of e.

4) Hence, show that
cos A = sec 0 -sin o tan 0.

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Which function has the domain x> -11?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.