What is the common ratio of the sequence? -2, 6, -18, 54,...
a.-3
b.-2
c.3
d.8

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

Which expression shows the sum of the polynomials with like terms grouped together

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41