Answer:
4f² - 11
Step-by-step explanation:
first group the like terms
9f²-2f²-7f² is all like terms
-10-1 are like terms
9f²-2f²-7f² -10-1
4f² - 11
Answer:
2+2=4
Step-by-step explanation:
Thanks ig
Answer:
T-shirt costs £10
Hat costs £3
Step-by-step explanation:
£93-£43=£50
9-4=5
£50/5=10
1 t-shirt=£10
£10x9=£90
£93-£90=£3
T-shirt = £10
Hat= £3
Answer:
11) 49 in.²
13) 4.515 m²
Step-by-step explanation:
11) area of square = (side)²
area = (7 in.)² = 7 in. × 7 in. = 49 in.²
13) area of triangle = base × height/2
area = 4.3 m × 2.1 m / 2 = 4.515 m²
