AED and ABC are straight lines. EB is parallel to DC.
Angle EBC = 148°
Angle ADC = 63°
Work out the size of angle EAB.
You must give a reason for each stage of your working.

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Graph the line with the given slope m and y-intercept b. m=-3,b=1

Which of the following is an irrational number