URGENT!!
Find the missing terms in the equation (3x + ...)2 = 9x2 + ... +49y2
WILL GIVE LOTS OF POINTS AND BRAINLIEST!!!

What is [tex] {7}^{98 + \sqrt{4} } - 3 \times (64 \div 2 + 4 - 36) \times a = a + 36[/tex]?

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.