Jamal watches his older brother Robert lift weights. the bar alone had a mass of 20 kg. on the bar he had two 11.4 kg weights two 4.5 kg weight and four 450 g weights. what mass what's Robert lifting

9x-7=-7 what is the answer and show work

A satellite television provides charges 39.95 per month for service. on demand movies can be rented for 3.99 each. broadcasts of special events can be rented for 49.95 each.

One angle of a triangle measures 52 more than the smallest, while a third angle is twice the smallest. find the measure of each angle

Instructors led an exercise class from a raised rectangular platform at the front of the room. The width of the platform was (3x - 1) feet and the area was (9x^2 + 6x - 3) ft^2. Find the length of this platform.

If a farmer has one square mile of land if he divides his land into square fields that are 1/4 mile long and 1/4 mile wide how many fields does he have

A personal pan 8 inch pizza is cut into 5 equal slices. What is the area of 1 slice of pizza to the nearest square in? Use 3.14 for pie

4x-5=2-x what is x? explain or show your reasoning

Samir works 15 hours for every 19 hours that Mitul works. If x represents the number of hours that Mitul works and y represents the hours that Samir works, which equation correctly models this relationship?

A statement that might be true, which can then be tested. The "if" portion of a conditional statement.

Is a polyhedron a 2 dimensional figure bounded by polygons