Complete the equation of the liine whose y intercept is (0,5) and slope is -9

a: y=5x-9
b: y=-9x+5
c: y= 0x-9
d: y=5x+9

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

How many grams must be adde to 970g to make 1 and a half kg

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?