Let x = 225 X 10% a Write x in the form a x 10' where I sa< 10 and ke 2
b State whether the following statement is true: x? > 1020
Justify your answer.
ci Calculate to

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)