Ill give a brainliest if its !

simplify the expression 4^-2x2^6/4^2x2^2.

a.
64
b.
1/16
c.
1
d.
1/2

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

Which of the following circles have their centers in the third quadrant?