A 3-m square footing and
550 mmthick is to support a 400 mm square
tied column. It is reinforced with 16-20 mm a
bars on both w...
-4-3+7
An advertising agency finds that, of its 170 clients, 115 usean advertising agency finds that, of its 170 clients, 115 use televis...
(10t − 7t) + 13(5t + 3)
(5t − 7t2) + 14(2t + 3)
-x+3y=-9
3(x+a)=b
make x the subject
sue read 15 pages of her book in 25 minutes .at this rate ,how long will it take her to read the next 10 pages. solve using propor...
Bob and Oprah are handing fliers to advertise for their new concert. Bob has handed out 90 of his 300 fliers while Oprah has hande...