Ill give brainlist to first ! which of these is a primary economic activity? a) tourism b) farming c) healthcare d) construction

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Factor the polynomial. b^2 + 4b + 4

Anyone know these questions? i need ,.