Melody

This question doesn't make sense

That depends on which dimensions 3.5 and 2 are 

the formula is

Area= base x perpendicular height.

It got 2 and a half times bigger and you can draw the plant. :)

You should explain how do do it happy7.  OR don't give the answer and tell them where the calculator is.  :)

$$150\div5$$

Hi Chris,

I am looking forward to Geno response   LOL

Maybe there is some 'obvious' method.  But it will make me feel less stupid if you can't 'see' it either,  :))

This is a statistics question happy,  but I too am not sure if there is enough info given. 

You just need 3 numbers that multiply together to give 70

None can be  bigger than 10cm

Hint: the factors of 70 (less than or equal to 10) are 1,2,5,7,10

Yes that is probably it.

Anon you can join us and answer other people's questions if you want.

You passed the audition with flying colours  

NOW GENO - I know I am a real expert at making a mountain out of an mole hill BUT how did you do it with no working?   

$$\\sin 105 - sin 15\\
=sin(180-105)-sin15\\
=sin75-sin15\\
=cos15-sin15\\
=cos(45-30)-sin(45-30)\\
=cos45cos30+sin45sin30-[sin45cos30-cos45sin30]\\
=sin45cos30+sin45sin30-sin45cos30+cos45sin30\\
=sin45sin30+sin45sin30\\
=2sin45sin30\\
=2\times\frac{1}{\sqrt2}\times\frac{1}{2}\\
=2\times\frac{1}{\sqrt2}\times\frac{1}{2}\\
=\frac{1}{\sqrt2}\\
=\frac{\sqrt2}{2}\\$$