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for part AYou would but the t² into brackets , then substitute t=5 to get h=3(5²) using BIDMAS do the 5² = 25 so that h=3(25) so you end up with h=75
for part B fir...

There are many options, but substitution is the one we will go through for this example first. Lets say you have 3x+4y = 10 and x+2y = 6In this case substitution would be easiest because you have a singul...

8/113/10=24/110=12/553/118/10=24/110=12/55
Probability = 24/55

The number 700 million can be written out in its longer form of 700,000,000.We know that a number in standard form is written in the form of a x 10ⁿ, where a is a number greater than or equal t...