Expressions and inequlites, A blue whale gains 2.3 tons a month for the fir...

A blue whale gains 2.3 tons a month for the first year of life. If a blue whale weighed 15 tons at birth, how much will it weigh on its first birthday?

Hcf in algebra, How to find the hcf of 36a and 12ab

How to find the hcf of 36a and 12ab

Solve the equation, 3^x + 3^(x^1/2) - 90 =0

3^x + 3^(x^1/2) - 90 =0

Geometry, how do you do proofs?

how do you do proofs?

Find roots of polynomial function, x^3-3x^2+x-3=0

x^3-3x^2+x-3=0

Need help Urgently!, I have quite a complex formula I need resolved, I can'...

I have quite a complex formula I need resolved, I can''t get my head around. I have got so far but I personally don''t know how to proceed further. HELP!

Quadratic equations,

Sail boating, How did they get an answer of 4.24899(-6) the question isc=4d...

How did they get an answer of 4.24899(-6) the question isc=4d(-1)/3.b. I now i substitute 23,245 for d and 13.5 for b, but don''t understand how they got this answer?

Inequalities, Labrador retrievers that compete in field trials typically co...

Labrador retrievers that compete in field trials typically cost $2,000 at birth. Professional trainers charge $400 to $1,000 per month to train the dogs. If the dog is a champion b

Distribution Property, I really need help in this question (-5d + 1)(-2) I ...

I really need help in this question (-5d + 1)(-2) I am really confused