Rico is making 4 batches of salsa. eaxh batch needs 2/3 cup of corn. he only had a 1/3 cup measure. how many times must rico measure 1/3 cup of corn to have enough for all of the salsa

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

I’m confused on how to work the pie charts