ABCD is a quadrilateral.
A
12 cm
Work out the length of CD.
Give your answer correct to
3 significant figures.

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

If square root x = -7, then x= -49 true or false

Select the correct answer. which exponential function has an x-intercept? oa. (x) - 100x-5-1 ob. (x) = 3x4+2 oc. kx) = 7x-1 + 1 od. 1(x) =-3x+1 - 3