Find the percent decrease. Round to the nearest percent.

From 99°F to 72°F

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

What are the sotions to the quadratic equation 9x^2=4

Don't know how to find x given these segment lengths