wants to compare the english skills of girls and boys in the sixth grade. She administers a series of english problems to both the groups and asks them to solve as many problems as they can within a 20-minute time period. She finds that both the groups were able to answer only 15% of the problems. The results are most likely due to a effect.

Estimate the product. round the first factor to the nearest whole number, round the second factor to the nearest ten, and then multiply. 3 8/9 × 96

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.