exam Maths Puzzle Numerical Ability

a helicopter makes a forced landing at sea. the last radio signal received C gives teh bearing of the helicopter from C as N 57.7šE at an altitude of 428 feet. an oberver at C sigh

Read Solution (Total 0)

exam Other Question

Rewritethe following expression with positive exponents.

(5xy)^(-6/7)

I think its 1/ 5xy^7/6.... im probally wrong. Please help!
Is the following a perfect trinomial:
x^2 + 18x + 81
Thank you for the help, these always confuse me!